From e07d3236a32af5421986c30173dbd4d4d3375f7b Mon Sep 17 00:00:00 2001
From: Gilbert Kimutai <gilbertkimutai@gmail.com>
Date: Sat, 30 Nov 2019 17:36:59 +0300
Subject: [PATCH] added cocart api structure

---
 .idea/gradle.xml                              |   1 +
 cocart/build.gradle                           |  50 +++++
 cocart/consumer-rules.pro                     |   0
 cocart/proguard-rules.pro                     |  21 +++
 .../me/gilo/cocart/ExampleInstrumentedTest.kt |  24 +++
 cocart/src/main/AndroidManifest.xml           |   2 +
 .../gilo/cocart/callback/CallBackLiveData.kt  |  36 ++++
 .../gilo/cocart/callback/NetworkException.kt  |  12 ++
 .../java/me/gilo/cocart/callback/Resource.kt  |  58 ++++++
 .../java/me/gilo/cocart/callback/Status.kt    |  11 ++
 .../java/me/gilo/cocart/callback/WooCall.kt   |   5 +
 .../java/me/gilo/cocart/data/ApiVersion.kt    |  19 ++
 .../java/me/gilo/cocart/data/RestAdapter.kt   |  18 ++
 .../java/me/gilo/cocart/data/api/CartAPI.kt   |  17 ++
 .../me/gilo/cocart/data/api/FiltersAPI.kt     |  17 ++
 .../java/me/gilo/cocart/data/api/ItemsAPI.kt  |  15 ++
 .../gilo/cocart/data/auth/AlphabeticSorter.kt |  12 ++
 .../gilo/cocart/data/auth/AuthIntercepter.kt  | 174 ++++++++++++++++++
 .../data/callbacks/CategoriesCallback.kt      |  14 ++
 .../cocart/data/callbacks/CustomerData.kt     |   8 +
 .../me/gilo/cocart/data/callbacks/Data.kt     |   7 +
 .../cocart/data/callbacks/OrderCallback.kt    |  11 ++
 .../cocart/data/callbacks/ProductCallback.kt  |  12 ++
 .../gilo/cocart/data/callbacks/ProductData.kt |   8 +
 .../cocart/data/callbacks/ReviewsCallback.kt  |  13 ++
 .../gilo/cocart/data/callbacks/ReviewsData.kt |  11 ++
 .../cocart/data/callbacks/StoreCallback.kt    |  10 +
 .../data/cookie/AddCookiesInterceptor.kt      |  33 ++++
 .../data/cookie/DemoCookieInterceptor.kt      |  30 +++
 .../data/cookie/ReceivedCookiesInterceptor.kt |  35 ++++
 .../cocart/data/requests/CartItemRequest.kt   |  26 +++
 .../java/me/gilo/cocart/model/CartItem.kt     |  28 +++
 .../me/gilo/cocart/repo/CoCartRepository.kt   |  47 +++++
 .../java/me/gilo/cocart/ExampleUnitTest.kt    |  17 ++
 settings.gradle                               |   1 +
 woodroid/build.gradle                         |   3 +
 .../me/gilo/woodroid/repo/CartRepository.kt   |  94 +---------
 37 files changed, 811 insertions(+), 89 deletions(-)
 create mode 100644 cocart/build.gradle
 create mode 100644 cocart/consumer-rules.pro
 create mode 100644 cocart/proguard-rules.pro
 create mode 100644 cocart/src/androidTest/java/me/gilo/cocart/ExampleInstrumentedTest.kt
 create mode 100644 cocart/src/main/AndroidManifest.xml
 create mode 100644 cocart/src/main/java/me/gilo/cocart/callback/CallBackLiveData.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/callback/NetworkException.kt
 create mode 100755 cocart/src/main/java/me/gilo/cocart/callback/Resource.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/callback/Status.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/callback/WooCall.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/ApiVersion.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/RestAdapter.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/api/CartAPI.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/api/FiltersAPI.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/api/ItemsAPI.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/auth/AlphabeticSorter.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/auth/AuthIntercepter.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/CategoriesCallback.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/CustomerData.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/Data.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/OrderCallback.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/ProductCallback.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/ProductData.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/ReviewsCallback.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/ReviewsData.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/callbacks/StoreCallback.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/cookie/AddCookiesInterceptor.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/cookie/DemoCookieInterceptor.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/cookie/ReceivedCookiesInterceptor.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/data/requests/CartItemRequest.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/model/CartItem.kt
 create mode 100644 cocart/src/main/java/me/gilo/cocart/repo/CoCartRepository.kt
 create mode 100644 cocart/src/test/java/me/gilo/cocart/ExampleUnitTest.kt

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 4d24e5b..2e695e8 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -12,6 +12,7 @@
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
+            <option value="$PROJECT_DIR$/cocart" />
             <option value="$PROJECT_DIR$/core" />
             <option value="$PROJECT_DIR$/firebasecart" />
             <option value="$PROJECT_DIR$/woodroid" />
diff --git a/cocart/build.gradle b/cocart/build.gradle
new file mode 100644
index 0000000..a162c1c
--- /dev/null
+++ b/cocart/build.gradle
@@ -0,0 +1,50 @@
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 29
+
+
+    defaultConfig {
+        minSdkVersion 16
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles 'consumer-rules.pro'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.1.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+    implementation 'com.squareup.retrofit2:retrofit:2.3.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
+
+    implementation 'com.jakewharton.retrofit:retrofit1-okhttp3-client:1.1.0'
+
+    implementation 'io.reactivex:rxandroid:1.2.1'
+    implementation 'io.reactivex:rxjava:1.3.0'
+
+    implementation 'com.squareup.okhttp3:logging-interceptor:3.10.0'
+
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.9.8'
+
+
+}
diff --git a/cocart/consumer-rules.pro b/cocart/consumer-rules.pro
new file mode 100644
index 0000000..e69de29
diff --git a/cocart/proguard-rules.pro b/cocart/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/cocart/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/cocart/src/androidTest/java/me/gilo/cocart/ExampleInstrumentedTest.kt b/cocart/src/androidTest/java/me/gilo/cocart/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..47de8c9
--- /dev/null
+++ b/cocart/src/androidTest/java/me/gilo/cocart/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package me.gilo.cocart
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("me.gilo.cocart.test", appContext.packageName)
+    }
+}
diff --git a/cocart/src/main/AndroidManifest.xml b/cocart/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..4bee313
--- /dev/null
+++ b/cocart/src/main/AndroidManifest.xml
@@ -0,0 +1,2 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  package="me.gilo.cocart" />
diff --git a/cocart/src/main/java/me/gilo/cocart/callback/CallBackLiveData.kt b/cocart/src/main/java/me/gilo/cocart/callback/CallBackLiveData.kt
new file mode 100644
index 0000000..20ec33c
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/callback/CallBackLiveData.kt
@@ -0,0 +1,36 @@
+package me.gilo.cocart.callback
+
+import androidx.lifecycle.LiveData
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+
+import java.io.IOException
+
+class CallBackLiveData<T> : LiveData<Resource<T>>(), Callback<T> {
+    init {
+        value = Resource(Status.LOADING)
+    }
+
+    override fun onResponse(call: Call<T>, response: Response<T>) {
+        if (response.isSuccessful) {
+            setValue(Resource(response.body()!!))
+        } else {
+            var error: String? = null
+            try {
+                error = response.errorBody()!!.string()
+            } catch (e: IOException) {
+                e.printStackTrace()
+            }
+
+            if (error == null) {
+                error = "Something went wrong"
+            }
+            setValue(Resource(NetworkException(error)))
+        }
+    }
+
+    override fun onFailure(call: Call<T>, t: Throwable) {
+        value = Resource(NetworkException(t))
+    }
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/callback/NetworkException.kt b/cocart/src/main/java/me/gilo/cocart/callback/NetworkException.kt
new file mode 100644
index 0000000..f287bf4
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/callback/NetworkException.kt
@@ -0,0 +1,12 @@
+package me.gilo.cocart.callback
+
+class NetworkException : Exception {
+
+    constructor() : super() {}
+
+    constructor(message: String) : super(message) {}
+
+    constructor(message: String, cause: Throwable) : super(message, cause) {}
+
+    constructor(cause: Throwable) : super(cause) {}
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/callback/Resource.kt b/cocart/src/main/java/me/gilo/cocart/callback/Resource.kt
new file mode 100755
index 0000000..6707713
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/callback/Resource.kt
@@ -0,0 +1,58 @@
+package me.gilo.cocart.callback
+
+
+class Resource<T> private constructor(private val data: T?, private val error: Exception?) {
+    internal var status = Status.LOADING
+
+    val isSuccessful: Boolean
+        get() = data != null && error == null
+
+    constructor(data: T) : this(data, null) {}
+
+    constructor(status: Status) : this(null, null) {
+        this.status = status
+    }
+
+    constructor(exception: Exception) : this(null, exception) {
+        this.status = Status.ERROR
+    }
+
+    init {
+
+        if (error != null) {
+            status = Status.ERROR
+        } else if (data != null) {
+            if (data is List<*>) {
+                if ((data as List<*>).size == 0) {
+                    status = Status.EMPTY
+                } else {
+                    status = Status.SUCCESS
+                }
+            } else {
+                status = Status.SUCCESS
+            }
+        } else {
+            status = Status.LOADING
+        }
+    }
+
+    fun data(): T? {
+        if (error != null) {
+            throw IllegalStateException("error is not null. Call isSuccessful() first.")
+        }
+        return data
+    }
+
+    fun error(): Exception? {
+        if (data != null) {
+            throw IllegalStateException("data is not null. Call isSuccessful() first.")
+        }
+        return error
+    }
+
+    fun status(): Status {
+        return status
+    }
+
+
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/callback/Status.kt b/cocart/src/main/java/me/gilo/cocart/callback/Status.kt
new file mode 100644
index 0000000..5c07bbf
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/callback/Status.kt
@@ -0,0 +1,11 @@
+package me.gilo.cocart.callback
+
+enum class Status {
+    EMPTY,
+    SUCCESS,
+    ERROR,
+    LOADING;
+
+    val isLoading: Status
+        get() = LOADING
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/callback/WooCall.kt b/cocart/src/main/java/me/gilo/cocart/callback/WooCall.kt
new file mode 100644
index 0000000..618c876
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/callback/WooCall.kt
@@ -0,0 +1,5 @@
+package me.gilo.cocart.callback
+
+import retrofit2.Call
+
+interface WooCall<T> : Call<T>
diff --git a/cocart/src/main/java/me/gilo/cocart/data/ApiVersion.kt b/cocart/src/main/java/me/gilo/cocart/data/ApiVersion.kt
new file mode 100644
index 0000000..09f5be2
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/ApiVersion.kt
@@ -0,0 +1,19 @@
+package me.gilo.cocart.data
+
+enum class ApiVersion {
+    API_VERSION1 {
+        override fun toString(): String {
+            return "1"
+        }
+    },
+    API_VERSION2 {
+        override fun toString(): String {
+            return "2"
+        }
+    },
+    API_VERSION3 {
+        override fun toString(): String {
+            return "3"
+        }
+    }
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/data/RestAdapter.kt b/cocart/src/main/java/me/gilo/cocart/data/RestAdapter.kt
new file mode 100644
index 0000000..5096150
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/RestAdapter.kt
@@ -0,0 +1,18 @@
+package me.gilo.woodroid.data
+
+import org.apache.http.NameValuePair
+
+import java.util.ArrayList
+
+class RestAdapter(private val baseUrl: String, private val consumerKey: String, private val consumerSecret: String) {
+    companion object {
+
+        internal var oauth_nonce = ""
+        internal var oauth_timestamp = ""
+        internal var oauth_signature_method = "HMAC-SHA1"
+
+        internal var params: ArrayList<NameValuePair>? = null
+    }
+
+
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/api/CartAPI.kt b/cocart/src/main/java/me/gilo/cocart/data/api/CartAPI.kt
new file mode 100644
index 0000000..9af7d85
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/api/CartAPI.kt
@@ -0,0 +1,17 @@
+package me.gilo.cocart.data.api
+
+
+import retrofit2.Call
+import retrofit2.http.*
+
+interface CartAPI {
+
+    @Headers("Content-Type: application/json")
+    @POST("clear")
+    fun clear(): Call<String>
+
+    @GET("count-items")
+    fun count(): Call<Int>
+
+
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/data/api/FiltersAPI.kt b/cocart/src/main/java/me/gilo/cocart/data/api/FiltersAPI.kt
new file mode 100644
index 0000000..c9024e0
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/api/FiltersAPI.kt
@@ -0,0 +1,17 @@
+package me.gilo.cocart.data.api
+
+
+import retrofit2.Call
+import retrofit2.http.*
+
+interface FiltersAPI {
+
+    @Headers("Content-Type: application/json")
+    @POST("clear")
+    fun clear(): Call<String>
+
+    @GET("count-items")
+    fun count(): Call<Int>
+
+
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/data/api/ItemsAPI.kt b/cocart/src/main/java/me/gilo/cocart/data/api/ItemsAPI.kt
new file mode 100644
index 0000000..a3c2479
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/api/ItemsAPI.kt
@@ -0,0 +1,15 @@
+package me.gilo.cocart.data.api
+
+
+import me.gilo.cocart.data.requests.CartItemRequest
+import me.gilo.cocart.model.CartItem
+import retrofit2.Call
+import retrofit2.http.*
+
+interface ItemsAPI {
+
+    @Headers("Content-Type: application/json")
+    @POST("add-item")
+    fun addToCart(@Body body: CartItemRequest): Call<Map<String, CartItem>>
+
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/data/auth/AlphabeticSorter.kt b/cocart/src/main/java/me/gilo/cocart/data/auth/AlphabeticSorter.kt
new file mode 100644
index 0000000..b19c3df
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/auth/AlphabeticSorter.kt
@@ -0,0 +1,12 @@
+package me.gilo.woodroid.data.auth
+
+import org.apache.http.NameValuePair
+
+import java.util.Comparator
+
+class AlphabeticSorter : Comparator<NameValuePair> {
+
+    override fun compare(nameValuePair1: NameValuePair, nameValuePair2: NameValuePair): Int {
+        return nameValuePair1.name.compareTo(nameValuePair2.name)
+    }
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/data/auth/AuthIntercepter.kt b/cocart/src/main/java/me/gilo/cocart/data/auth/AuthIntercepter.kt
new file mode 100644
index 0000000..2472c0b
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/auth/AuthIntercepter.kt
@@ -0,0 +1,174 @@
+package me.gilo.woodroid.data.auth
+
+import android.util.Base64
+import android.util.Log
+import okhttp3.HttpUrl
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
+import org.apache.http.NameValuePair
+import org.apache.http.client.utils.URLEncodedUtils
+import org.apache.http.message.BasicNameValuePair
+
+import javax.crypto.Mac
+import javax.crypto.spec.SecretKeySpec
+import java.io.IOException
+import java.io.UnsupportedEncodingException
+import java.net.URLDecoder
+import java.net.URLEncoder
+import java.security.InvalidKeyException
+import java.security.NoSuchAlgorithmException
+import java.util.*
+import java.util.Map
+
+class AuthIntercepter(private val consumerKey: String, private val consumerSecret: String) : Interceptor {
+    private var oauth_signature = ""
+
+
+    @Throws(IOException::class)
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val params = getOauthParams(chain)
+
+        val builder = chain.request().url().newBuilder()
+        for (entry in params) {
+            builder.addQueryParameter(entry.name, entry.value)
+        }
+
+        val newRequest = chain.request()
+            .newBuilder()
+            .url(builder.build())
+            .header("Accept", "application/json")
+            .build()
+
+        return chain.proceed(newRequest)
+    }
+
+    fun getOauthParams(chain: Interceptor.Chain): ArrayList<NameValuePair> {
+        val params = ArrayList<NameValuePair>()
+
+        var request_url = chain.request().url().toString()
+
+        val iterator = getQueryParams(request_url).entries.iterator()
+        while (iterator.hasNext()) {
+            val pair = iterator.next() as Map.Entry<*, *>
+
+            val key = pair.key as String
+            val values = pair.value as List<String>
+            var value = ""
+
+            //why there would be multiple values for single key is not so clear to me, will keep this here though
+            if (values.size == 1) {
+                value = values[0]
+            }
+
+            params.add(BasicNameValuePair(key, value))
+
+            iterator.remove()
+        }
+
+        if (request_url.contains("?")) {
+            val request_url_end = request_url.indexOf("?")
+            request_url = request_url.substring(0, request_url_end)
+        }
+
+        oauth_nonce = getOauth_nonce()
+        oauth_timestamp = getOauth_timestamp()
+
+        params.add(BasicNameValuePair("oauth_consumer_key", consumerKey))
+        params.add(BasicNameValuePair("oauth_nonce", oauth_nonce))
+        params.add(BasicNameValuePair("oauth_timestamp", oauth_timestamp))
+        params.add(BasicNameValuePair("oauth_signature_method", oauth_signature_method))
+
+        Collections.sort(params, AlphabeticSorter())
+        val encodedParams = URLEncodedUtils.format(params, "utf-8")
+        oauth_signature = getOauth_signature(chain.request().method(), request_url, consumerSecret, encodedParams)
+
+        params.add(BasicNameValuePair("oauth_signature", oauth_signature))
+
+        return params
+    }
+
+    fun getOauth_nonce(): String {
+        return StringBuilder((Math.random() * 100000000.0).toString()).toString()
+    }
+
+    fun getStringToSign(method: String, url: String, parameters: String): String {
+        var string_to_sign = ""
+        try {
+            string_to_sign = StringBuilder("$method&")
+                .append(URLEncoder.encode(url, "utf-8")).append("&")
+                .append(URLEncoder.encode(parameters, "utf-8"))
+                .toString()
+        } catch (e: UnsupportedEncodingException) {
+            e.printStackTrace()
+        }
+
+        return string_to_sign
+    }
+
+
+    fun getOauth_signature(method: String, url: String, consumerSecret: String, parameters: String): String {
+        var signature = ""
+        val string_to_sign = getStringToSign(method, url, parameters)
+
+        try {
+            val mac = Mac.getInstance(oauth_signature_method)
+            val secret = "$consumerSecret&"
+            mac.init(SecretKeySpec(secret.toByteArray(charset("utf-8")), oauth_signature_method))
+            signature =
+                Base64.encodeToString(mac.doFinal(string_to_sign.toByteArray(charset("utf-8"))), 0).trim { it <= ' ' }
+        } catch (e: NoSuchAlgorithmException) {
+            e.printStackTrace()
+        } catch (e: InvalidKeyException) {
+            e.printStackTrace()
+        } catch (e: UnsupportedEncodingException) {
+            e.printStackTrace()
+        }
+
+        return signature
+    }
+
+
+    fun getOauth_timestamp(): String {
+        val stamp = (System.currentTimeMillis() / 1000.0).toLong()
+        return StringBuilder(stamp.toString()).toString()
+    }
+
+    companion object {
+
+
+        internal var oauth_nonce = ""
+        internal var oauth_timestamp = ""
+        internal var oauth_signature_method = "HMAC-SHA1"
+
+        fun getQueryParams(url: String): MutableMap<String, List<String>> {
+            try {
+                val params = HashMap<String, List<String>>()
+                val urlParts = url.split("\\?".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+                if (urlParts.size > 1) {
+                    val query = urlParts[1]
+                    for (param in query.split("&".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()) {
+                        val pair = param.split("=".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+                        val key = URLDecoder.decode(pair[0], "UTF-8")
+                        var value = ""
+                        if (pair.size > 1) {
+                            value = URLDecoder.decode(pair[1], "UTF-8")
+                        }
+
+                        var values: MutableList<String>? = params[key]?.toMutableList()
+                        if (values == null) {
+                            values = ArrayList()
+                            params[key] = values
+                        }
+                        values.add(value)
+                    }
+                }
+
+                return params
+            } catch (ex: UnsupportedEncodingException) {
+                throw AssertionError(ex)
+            }
+
+        }
+    }
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/CategoriesCallback.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/CategoriesCallback.kt
new file mode 100644
index 0000000..afce783
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/CategoriesCallback.kt
@@ -0,0 +1,14 @@
+package me.gilo.woodroid.data.callbacks
+
+
+import com.google.gson.annotations.SerializedName
+import me.gilo.woodroid.models.Category
+
+
+import java.util.ArrayList
+
+
+class CategoriesCallback {
+    @SerializedName("product_categories")
+    lateinit var categories: ArrayList<Category>
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/CustomerData.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/CustomerData.kt
new file mode 100644
index 0000000..c229ff0
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/CustomerData.kt
@@ -0,0 +1,8 @@
+package me.gilo.woodroid.data.callbacks
+
+
+import me.gilo.woodroid.models.Customer
+
+class CustomerData {
+    lateinit var customer: Customer
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/Data.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/Data.kt
new file mode 100644
index 0000000..dbad33c
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/Data.kt
@@ -0,0 +1,7 @@
+package me.gilo.woodroid.data.callbacks
+
+import me.gilo.woodroid.models.Order
+
+class Data {
+    lateinit var order: Order
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/OrderCallback.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/OrderCallback.kt
new file mode 100644
index 0000000..bbbb5a9
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/OrderCallback.kt
@@ -0,0 +1,11 @@
+package me.gilo.woodroid.data.callbacks
+
+
+import me.gilo.woodroid.models.Order
+
+import java.util.ArrayList
+
+
+class OrderCallback {
+    var orders = ArrayList<Order>()
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/ProductCallback.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/ProductCallback.kt
new file mode 100644
index 0000000..527b53a
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/ProductCallback.kt
@@ -0,0 +1,12 @@
+package me.gilo.woodroid.data.callbacks
+
+
+import me.gilo.woodroid.models.Product
+
+import java.util.ArrayList
+
+
+class ProductCallback {
+    var products = ArrayList<Product>()
+    lateinit var product: Product
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/ProductData.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/ProductData.kt
new file mode 100644
index 0000000..5716c8b
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/ProductData.kt
@@ -0,0 +1,8 @@
+package me.gilo.woodroid.data.callbacks
+
+
+import me.gilo.woodroid.models.Product
+
+class ProductData {
+    var product: Product? = null
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/ReviewsCallback.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/ReviewsCallback.kt
new file mode 100644
index 0000000..ba26a00
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/ReviewsCallback.kt
@@ -0,0 +1,13 @@
+package me.gilo.woodroid.data.callbacks
+
+
+import com.google.gson.annotations.SerializedName
+import me.gilo.woodroid.models.ProductReview
+
+import java.util.ArrayList
+
+
+class ReviewsCallback {
+    @SerializedName("product_reviews")
+    lateinit var productReviews: ArrayList<ProductReview>
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/ReviewsData.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/ReviewsData.kt
new file mode 100644
index 0000000..031dde2
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/ReviewsData.kt
@@ -0,0 +1,11 @@
+package me.gilo.woodroid.data.callbacks
+
+
+import me.gilo.woodroid.models.ProductReview
+
+import java.util.ArrayList
+
+
+class ReviewsData {
+    lateinit var productReviews: ArrayList<ProductReview>
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/callbacks/StoreCallback.kt b/cocart/src/main/java/me/gilo/cocart/data/callbacks/StoreCallback.kt
new file mode 100644
index 0000000..291ae59
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/callbacks/StoreCallback.kt
@@ -0,0 +1,10 @@
+package me.gilo.woodroid.data.callbacks
+
+import com.google.gson.annotations.SerializedName
+import me.gilo.woodroid.models.Store
+
+class StoreCallback {
+
+    @SerializedName("store")
+    lateinit var store: Store
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/data/cookie/AddCookiesInterceptor.kt b/cocart/src/main/java/me/gilo/cocart/data/cookie/AddCookiesInterceptor.kt
new file mode 100644
index 0000000..2982997
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/cookie/AddCookiesInterceptor.kt
@@ -0,0 +1,33 @@
+package me.gilo.woodroid.data.cookie
+
+import android.content.Context
+import android.preference.PreferenceManager
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
+
+import java.io.IOException
+import java.util.HashSet
+
+class AddCookiesInterceptor(private val context: Context) : Interceptor {
+
+    @Throws(IOException::class)
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val builder = chain.request().newBuilder()
+
+        val preferences = PreferenceManager.getDefaultSharedPreferences(context).getStringSet(
+            PREF_COOKIES,
+            HashSet()
+        ) as HashSet<String>
+        for (cookie in preferences) {
+            builder.addHeader("Cookie", cookie)
+        }
+
+        return chain.proceed(builder.build())
+    }
+
+    companion object {
+
+        val PREF_COOKIES = "PREF_COOKIES"
+    }
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/data/cookie/DemoCookieInterceptor.kt b/cocart/src/main/java/me/gilo/cocart/data/cookie/DemoCookieInterceptor.kt
new file mode 100644
index 0000000..268ad90
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/cookie/DemoCookieInterceptor.kt
@@ -0,0 +1,30 @@
+package me.gilo.woodroid.data.cookie
+
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
+
+import java.io.IOException
+
+class DemoCookieInterceptor : Interceptor {
+
+
+    @Throws(IOException::class)
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val builder = chain.request().newBuilder()
+
+        builder.addHeader(
+            "Cookie",
+            "wordpress_logged_in_9073cf57240df660c1e240d327cc46cb=gilo%7C1551794958%7CJx1NTnn0f6wuYlN5a0PmTJxYcPlr1sUUqpr659EKCcG%7C802c643a30a82bf7aa6350b5fb5dd005c019b2e1b1d59566ef0c426e33126eae"
+        )
+        builder.addHeader("Cookie", "woocommerce_cart_hash=d9ec6c9bf0d307629c2a981362735284")
+        builder.addHeader(
+            "Cookie",
+            "wp_woocommerce_session_9073cf57240df660c1e240d327cc46cb=1%7C%7C1551796439%7C%7C1551792839%7C%7Ce6deec897575a9a84bb4a672abf2ed72"
+        )
+
+
+
+        return chain.proceed(builder.build())
+    }
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/data/cookie/ReceivedCookiesInterceptor.kt b/cocart/src/main/java/me/gilo/cocart/data/cookie/ReceivedCookiesInterceptor.kt
new file mode 100644
index 0000000..0945016
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/cookie/ReceivedCookiesInterceptor.kt
@@ -0,0 +1,35 @@
+package me.gilo.woodroid.data.cookie
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.preference.PreferenceManager
+import okhttp3.Interceptor
+import okhttp3.Response
+
+import java.io.IOException
+import java.util.HashSet
+
+class ReceivedCookiesInterceptor(private val context: Context) : Interceptor {
+
+    @Throws(IOException::class)
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val originalResponse = chain.proceed(chain.request())
+
+        if (!originalResponse.headers("Set-Cookie").isEmpty()) {
+            val cookies = PreferenceManager.getDefaultSharedPreferences(context).getStringSet(
+                "PREF_COOKIES",
+                HashSet()
+            ) as HashSet<String>
+
+            for (header in originalResponse.headers("Set-Cookie")) {
+                cookies.add(header)
+            }
+
+            val memes = PreferenceManager.getDefaultSharedPreferences(context).edit()
+            memes.putStringSet("PREF_COOKIES", cookies).apply()
+            memes.commit()
+        }
+
+        return originalResponse
+    }
+}
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/data/requests/CartItemRequest.kt b/cocart/src/main/java/me/gilo/cocart/data/requests/CartItemRequest.kt
new file mode 100644
index 0000000..8a07303
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/data/requests/CartItemRequest.kt
@@ -0,0 +1,26 @@
+package me.gilo.cocart.data.requests
+
+import com.google.gson.annotations.SerializedName
+
+data class CartItemRequest(
+    @SerializedName("product_id")
+    var productId: Int,
+
+    @SerializedName("quantity")
+    var quantity: Int,
+
+    @SerializedName("variation_id")
+    var variationId: Int? = null,
+
+    @SerializedName("variation")
+    var variation: Any? = null,
+
+    @SerializedName("cart_item_data")
+    var cartItemData: Any? = null,
+
+    @SerializedName("refresh_totals")
+    var refreshTotals: Boolean? = null,
+
+    @SerializedName("return_cart")
+    var returnCart: Boolean? = null
+)
\ No newline at end of file
diff --git a/cocart/src/main/java/me/gilo/cocart/model/CartItem.kt b/cocart/src/main/java/me/gilo/cocart/model/CartItem.kt
new file mode 100644
index 0000000..fd73a37
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/model/CartItem.kt
@@ -0,0 +1,28 @@
+package me.gilo.cocart.model
+
+import com.google.gson.annotations.SerializedName
+
+
+class CartItem {
+
+    @SerializedName("product_id")
+    var productId: Int = 0
+
+    @SerializedName("variation_id")
+    var variationId: Int = 0
+
+    lateinit var subtotal: String
+    @SerializedName("subtotal_tax")
+    lateinit var subtotalTax: String
+    lateinit var total: String
+    lateinit var totalTax: String
+    lateinit var price: String
+    var quantity: Int = 0
+    lateinit var taxClass: Any
+    lateinit var name: String
+
+
+
+    lateinit var sku: String
+    lateinit var variations: String
+}
diff --git a/cocart/src/main/java/me/gilo/cocart/repo/CoCartRepository.kt b/cocart/src/main/java/me/gilo/cocart/repo/CoCartRepository.kt
new file mode 100644
index 0000000..0d74d85
--- /dev/null
+++ b/cocart/src/main/java/me/gilo/cocart/repo/CoCartRepository.kt
@@ -0,0 +1,47 @@
+package me.gilo.cocart.repo
+
+import me.gilo.cocart.data.api.ItemsAPI
+import me.gilo.cocart.data.requests.CartItemRequest
+import me.gilo.cocart.model.CartItem
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Call
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import java.util.concurrent.TimeUnit
+
+class CoCartRepository(private var baseUrl: String, consumerKey: String, consumerSecret: String) {
+
+    private var apiService: ItemsAPI
+    private var retrofit: Retrofit
+
+    init {
+        val loggingInterceptor = HttpLoggingInterceptor()
+        loggingInterceptor.level = HttpLoggingInterceptor.Level.BODY
+
+        val client = OkHttpClient.Builder()
+            .addInterceptor(loggingInterceptor)
+            .readTimeout(30, TimeUnit.SECONDS)
+            .writeTimeout(30, TimeUnit.SECONDS)
+            .connectTimeout(15, TimeUnit.SECONDS)
+            .build()
+
+        retrofit = Retrofit.Builder()
+            .baseUrl(baseUrl)
+            .addConverterFactory(GsonConverterFactory.create())
+            .client(client)
+            .build()
+
+        apiService = retrofit.create(ItemsAPI::class.java)
+    }
+
+    fun addToCart(productId: Int, quantity: Int): Call<Map<String, CartItem>> {
+        val cartItemRequest = CartItemRequest(
+            productId = productId, quantity = quantity
+        )
+
+        return apiService.addToCart(cartItemRequest)
+    }
+
+
+}
diff --git a/cocart/src/test/java/me/gilo/cocart/ExampleUnitTest.kt b/cocart/src/test/java/me/gilo/cocart/ExampleUnitTest.kt
new file mode 100644
index 0000000..0a6f23b
--- /dev/null
+++ b/cocart/src/test/java/me/gilo/cocart/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package me.gilo.cocart
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
diff --git a/settings.gradle b/settings.gradle
index 35b7ffc..6a808c8 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1,2 @@
 include ':app', ':woodroid', ':firebasecart', ':core'
+include ':cocart'
diff --git a/woodroid/build.gradle b/woodroid/build.gradle
index 4d5ebca..4ba89c4 100644
--- a/woodroid/build.gradle
+++ b/woodroid/build.gradle
@@ -56,6 +56,9 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
 
+    implementation project(path: ':cocart')
+
+
 }
 repositories {
     mavenCentral()
diff --git a/woodroid/src/main/java/me/gilo/woodroid/repo/CartRepository.kt b/woodroid/src/main/java/me/gilo/woodroid/repo/CartRepository.kt
index 7695736..4cef05b 100644
--- a/woodroid/src/main/java/me/gilo/woodroid/repo/CartRepository.kt
+++ b/woodroid/src/main/java/me/gilo/woodroid/repo/CartRepository.kt
@@ -1,99 +1,15 @@
 package me.gilo.woodroid.repo
 
-import android.content.Context
-import me.gilo.woodroid.data.api.CartAPI
-import me.gilo.woodroid.data.cookie.AddCookiesInterceptor
-import me.gilo.woodroid.data.cookie.ReceivedCookiesInterceptor
-import me.gilo.woodroid.models.LineItem
-import me.gilo.woodroid.models.filters.CartFilter
-import okhttp3.OkHttpClient
-import okhttp3.logging.HttpLoggingInterceptor
-import retrofit2.Retrofit
+import me.gilo.cocart.model.CartItem
+import me.gilo.cocart.repo.CoCartRepository
 import retrofit2.Call
-import retrofit2.converter.gson.GsonConverterFactory
-import java.util.concurrent.TimeUnit
 
 class CartRepository(internal var baseUrl: String, consumerKey: String, consumerSecret: String) {
 
-    internal var apiService: CartAPI
-    internal var retrofit: Retrofit
+    private var cartRepository: CoCartRepository = CoCartRepository(baseUrl, consumerKey, consumerSecret)
 
-    init {
-        val loggingInterceptor = HttpLoggingInterceptor()
-        loggingInterceptor.level = HttpLoggingInterceptor.Level.BODY
-
-
-        val client = OkHttpClient.Builder()
-            .addInterceptor(loggingInterceptor)
-            .readTimeout(30, TimeUnit.SECONDS)
-            .writeTimeout(30, TimeUnit.SECONDS)
-            .connectTimeout(15, TimeUnit.SECONDS)
-            .build()
-
-        retrofit = Retrofit.Builder()
-            .baseUrl(baseUrl)
-            .addConverterFactory(GsonConverterFactory.create())
-            .client(client)
-            .build()
-
-        apiService = retrofit.create(CartAPI::class.java)
+    fun addToCart(productId: Int, quantity: Int): Call<Map<String, CartItem>> {
+        return cartRepository.addToCart(productId, quantity)
     }
 
-    fun turnOnCookies(context: Context) {
-        val loggingInterceptor = HttpLoggingInterceptor()
-        loggingInterceptor.level = HttpLoggingInterceptor.Level.BODY
-
-        val client = OkHttpClient.Builder()
-            .addInterceptor(AddCookiesInterceptor(context))
-            .addInterceptor(ReceivedCookiesInterceptor(context))
-            .addInterceptor(loggingInterceptor)
-            .readTimeout(30, TimeUnit.SECONDS)
-            .writeTimeout(30, TimeUnit.SECONDS)
-            .connectTimeout(15, TimeUnit.SECONDS)
-            .build()
-
-        retrofit = Retrofit.Builder()
-            .baseUrl(baseUrl)
-            .addConverterFactory(GsonConverterFactory.create())
-            .client(client)
-            .build()
-
-        apiService = retrofit.create(CartAPI::class.java)
-    }
-
-    fun clear(): Call<String> {
-        return apiService.clear()
-    }
-
-
-    fun count(id: Int): Call<Int> {
-        return apiService.count()
-    }
-
-    fun cart(): Call<Map<String, LineItem>> {
-        return apiService.list()
-    }
-
-    fun addToCart(lineItem: LineItem): Call<Map<String, LineItem>> {
-        return apiService.addToCart(lineItem)
-    }
-
-    fun delete(cardId: String): Call<String> {
-        val cartFilter = CartFilter(cardId)
-        return apiService.delete(cartFilter)
-    }
-
-    fun restore(cardId: String): Call<String> {
-        val cartFilter = CartFilter(cardId)
-        return apiService.restore(cartFilter)
-    }
-
-    fun update(cardId: String, quantity: Int): Call<String> {
-        val cartFilter = CartFilter(cardId)
-        cartFilter.quantity = quantity
-
-        return apiService.update(cartFilter)
-    }
-
-
 }