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Overview

The ProfileManager class handles user profile retrieval operations in Threadly. It provides methods to fetch user profiles by user ID, UUID, or retrieve the currently logged-in user’s profile. All profile data includes user information, statistics, and relationship status.

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Constructor

public ProfileManager()
Initializes the ProfileManager and sets up SharedPreferences for authentication.

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Methods

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GetProfile

Retrieves a user’s profile by their user ID. 
public final void GetProfile(
    String Userid,
    NetworkCallbackInterfaceJsonObject callback
)
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Userid
String
required
The unique user ID of the profile to retrieve
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callback
NetworkCallbackInterfaceJsonObject
required
Callback interface to handle the response
​
response
JSONObject
Profile object containing user information (see Profile_Model.java:3)

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Example

ProfileManager profileManager = new ProfileManager();
profileManager.GetProfile("user123", 
    new NetworkCallbackInterfaceJsonObject() {
        @Override
        public void onSuccess(JSONObject response) {
            String username = response.optString("username");
            String bio = response.optString("bio");
            int followers = response.optInt("followers");
            int following = response.optInt("following");
            int posts = response.optInt("posts");
            boolean isFollowedByMe = response.optBoolean("isFollowedByMe");
            // Display profile information
        }
        
        @Override
        public void onError(int errorCode) {
            // Handle error
        }
    });

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GetProfileByUuid

Retrieves a user’s profile by their UUID (universally unique identifier). 
public final void GetProfileByUuid(
    String uuid,
    NetworkCallbackInterfaceWithJsonObjectDelivery callback
)
​
uuid
String
required
The UUID of the user whose profile to retrieve
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callback
NetworkCallbackInterfaceWithJsonObjectDelivery
required
Callback interface to handle the response
​
response
JSONObject
Profile object containing user information

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Example

ProfileManager profileManager = new ProfileManager();
profileManager.GetProfileByUuid("550e8400-e29b-41d4-a716-446655440000", 
    new NetworkCallbackInterfaceWithJsonObjectDelivery() {
        @Override
        public void onSuccess(JSONObject response) {
            String username = response.optString("username");
            String profilePic = response.optString("profilepic");
            boolean isPrivate = response.optBoolean("isPrivate");
            // Display profile information
        }
        
        @Override
        public void onError(String error) {
            // Handle error
        }
    });

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getLoggedInUserProfile

Retrieves the profile information of the currently logged-in user. 
public final void getLoggedInUserProfile(
    NetworkCallbackInterfaceWithJsonObjectDelivery callback
)
​
callback
NetworkCallbackInterfaceWithJsonObjectDelivery
required
Callback interface to handle the response
​
response
JSONObject
Profile object containing the logged-in user’s information

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Example

ProfileManager profileManager = new ProfileManager();
profileManager.getLoggedInUserProfile(
    new NetworkCallbackInterfaceWithJsonObjectDelivery() {
        @Override
        public void onSuccess(JSONObject response) {
            // Update UI with current user's profile
            String userid = response.optString("userid");
            String username = response.optString("username");
            String profilepic = response.optString("profilepic");
            String bio = response.optString("bio");
            String dob = response.optString("dob");
            int followers = response.optInt("followers");
            int following = response.optInt("following");
            int posts = response.optInt("posts");
        }
        
        @Override
        public void onError(String error) {
            // Handle error
        }
    });

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Profile Model Structure

Profiles returned by these methods follow the structure defined in Profile_Model.java:3:

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Basic Information

  • userid (String) - Unique user identifier
  • username (String) - User’s display name
  • profilepic (String) - URL to profile picture
  • bio (String) - User’s biography/description
  • dob (String) - Date of birth

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Statistics

  • followers (int) - Number of followers
  • following (int) - Number of users being followed
  • posts (int) - Number of posts created

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Relationship Status

  • isFollowingMe (boolean) - Whether the user follows the current user
  • isFollowedByMe (boolean) - Whether the current user follows this user
  • isPrivate (boolean) - Whether the profile is private
  • isFollowRequestApproved (boolean) - Whether follow request is approved (for private accounts)

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Usage Examples

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Display User Profile

ProfileManager profileManager = new ProfileManager();

// Get profile for a specific user
profileManager.GetProfile("johndoe123", 
    new NetworkCallbackInterfaceJsonObject() {
        @Override
        public void onSuccess(JSONObject response) {
            // Create Profile_Model from response
            Profile_Model profile = new Profile_Model(
                response.optString("userid"),
                response.optString("username"),
                response.optString("profilepic"),
                response.optString("bio"),
                response.optString("dob"),
                response.optInt("followers"),
                response.optInt("following"),
                response.optInt("posts"),
                response.optBoolean("isFollowedByMe") ? 1 : 0,
                response.optBoolean("isFollowingMe") ? 1 : 0,
                response.optBoolean("isPrivate"),
                response.optBoolean("isFollowRequestApproved")
            );
            
            // Update UI
            updateProfileUI(profile);
        }
        
        @Override
        public void onError(int errorCode) {
            if (errorCode == 404) {
                // User not found
            } else {
                // Other error
            }
        }
    });

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Check Follow Relationship

ProfileManager profileManager = new ProfileManager();
profileManager.GetProfile("targetUser", 
    new NetworkCallbackInterfaceJsonObject() {
        @Override
        public void onSuccess(JSONObject response) {
            boolean isMutualFollow = 
                response.optBoolean("isFollowedByMe") && 
                response.optBoolean("isFollowingMe");
            
            if (isMutualFollow) {
                // Show "Friends" badge
            } else if (response.optBoolean("isFollowedByMe")) {
                // Show "Following" button
            } else {
                // Show "Follow" button
            }
        }
        
        @Override
        public void onError(int errorCode) {
            // Handle error
        }
    });

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Load Current User Profile

ProfileManager profileManager = new ProfileManager();
profileManager.getLoggedInUserProfile(
    new NetworkCallbackInterfaceWithJsonObjectDelivery() {
        @Override
        public void onSuccess(JSONObject response) {
            // Cache user data locally
            SharedPreferences prefs = getSharedPreferences("UserData", MODE_PRIVATE);
            prefs.edit()
                .putString("username", response.optString("username"))
                .putString("profilepic", response.optString("profilepic"))
                .putInt("followers", response.optInt("followers"))
                .apply();
            
            // Update profile screen
            displayCurrentUserProfile(response);
        }
        
        @Override
        public void onError(String error) {
            // Handle error
        }
    });

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API Endpoints Used

  • GET /api/profile/{userid} - Get profile by user ID
  • GET /api/profile/uuid/{uuid} - Get profile by UUID
  • GET /api/profile/me - Get logged-in user’s profile

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Error Codes

  • 404 - User not found
  • 401 - Unauthorized (invalid or expired token)
  • 403 - Forbidden (private account, not following)
  • 500 - Server error

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Notes

  • All methods require authentication via JWT token stored in SharedPreferences
  • Profile data is returned as JSONObject for flexibility
  • Use Profile_Model.java:3 to structure the response data
  • Private profiles may return limited information unless the current user follows them

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