From 7d8816912fb70deecdd9e9d9fe3e481f67a155af Mon Sep 17 00:00:00 2001
From: Pierre <pierre@hubert.fr>
Date: Sun, 5 Nov 2017 18:15:37 +0100
Subject: [PATCH] Users informations are cached in the database.

---
 .../android/comunic/client/MainActivity.java  |  2 +-
 .../client/data/UsersInfo/GetUsersInfos.java  | 12 +++--
 .../data/UsersInfo/UsersInfosDbHelper.java    | 52 ++++++++++++++++++-
 3 files changed, 60 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/org/communiquons/android/comunic/client/MainActivity.java b/app/src/main/java/org/communiquons/android/comunic/client/MainActivity.java
index da02911..0d2d3b3 100644
--- a/app/src/main/java/org/communiquons/android/comunic/client/MainActivity.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/MainActivity.java
@@ -42,7 +42,7 @@ public class MainActivity extends AppCompatActivity {
         account = new Account(this);
 
         //DEVELOPMENT : Try to get information about a user over the network
-        GetUsersInfos uInfos = new GetUsersInfos(this, null);
+        GetUsersInfos uInfos = new GetUsersInfos(this, new DatabaseHelper(this));
         
         //Get infos... about me! :)
         final int uID = 1;
diff --git a/app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/GetUsersInfos.java b/app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/GetUsersInfos.java
index 2156bed..8ca74bc 100644
--- a/app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/GetUsersInfos.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/GetUsersInfos.java
@@ -19,9 +19,9 @@ import org.json.JSONObject;
 public class GetUsersInfos {
 
     /**
-     * Database helper
+     * User informations database helper
      */
-    private DatabaseHelper dbHelper = null;
+    private UsersInfosDbHelper udbHelper = null;
 
     /**
      * Operations context
@@ -40,7 +40,7 @@ public class GetUsersInfos {
         this.context = context;
 
         //Save database helper object
-        this.dbHelper = dbHelper;
+        this.udbHelper = new UsersInfosDbHelper(dbHelper);
 
     }
 
@@ -59,7 +59,7 @@ public class GetUsersInfos {
     }
 
     /**
-     * Get and return the informations about a user
+     * Get and return the informations about a user on the server
      *
      * @param id The ID of the user to get informations from
      */
@@ -89,6 +89,10 @@ public class GetUsersInfos {
                         userInfos = parse_user_json(userObject);
                     }
 
+                    //Save user in the local database in case of success
+                    if(userInfos != null)
+                        udbHelper.insertOrUpdate(userInfos);
+
                 } catch (JSONException e){
                     e.printStackTrace();
                 }
diff --git a/app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/UsersInfosDbHelper.java b/app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/UsersInfosDbHelper.java
index d3edefe..195e647 100644
--- a/app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/UsersInfosDbHelper.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/UsersInfosDbHelper.java
@@ -32,6 +32,24 @@ public class UsersInfosDbHelper {
         this.dbHelper = dbHelper;
     }
 
+    /**
+     * Insert or update a user entry
+     * * Insertion if the user isn't already present in the database
+     * * Update if the user is already present in the database
+     *
+     * @param userInfo The user insert or update
+     * @return True for a success / false else
+     */
+    boolean insertOrUpdate(UserInfo userInfo){
+
+        //Check if the user is already present in the database or not
+        if(!exists(userInfo.getId()))
+            return insert(userInfo) > 0;
+        else
+            return update(userInfo);
+
+    }
+
     /**
      * Check wether a user is present in the database or not
      *
@@ -81,7 +99,7 @@ public class UsersInfosDbHelper {
      * @param user The user to insert in the database
      * @return -1 in case of failure / the id of the new entry else
      */
-    public int insert(UserInfo user){
+    private int insert(UserInfo user){
 
         //Get a database with write access
         SQLiteDatabase db = dbHelper.getWritableDatabase();
@@ -197,4 +215,36 @@ public class UsersInfosDbHelper {
 
         return result > 0;
     }
+
+    /**
+     * Update a user entry
+     *
+     * @param userInfo New informations about the user
+     * @return True if the operation seems to be a success / false else
+     */
+    private boolean update(UserInfo userInfo){
+
+        SQLiteDatabase db = dbHelper.getWritableDatabase();
+
+        //Prepare the request
+        //Set the new values
+        ContentValues newValues = new ContentValues();
+        newValues.put(UsersInfoSchema.COLUMN_NAME_USER_FIRSTNAME, userInfo.getFirstName());
+        newValues.put(UsersInfoSchema.COLUMN_NAME_USER_LASTNAME, userInfo.getLastName());
+        newValues.put(UsersInfoSchema.COLUMN_NAME_USER_ACCOUNT_IMAGE, userInfo.getAcountImageURL());
+
+        //Set the condition
+        String conditions = UsersInfoSchema.COLUMN_NAME_USER_ID + " = ?";
+        String[] conditionArgs = {
+                ""+userInfo.getId()
+        };
+
+
+        //Perform the request
+        int result = db.update(UsersInfoSchema.TABLE_NAME, newValues, conditions, conditionArgs);
+
+        db.close();
+
+        return result > 0;
+    }
 }