codebin/firestore.rules at main · devxkamlesh/codebin · GitHub

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rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    // Snippets collection
    match /snippets/{snippetId} {
      // Anyone can read public snippets
      allow read: if resource.data.isPublic == true;

      // Authenticated users can create snippets
      allow create: if request.auth != null;

      // Only the author can update or delete their snippets
      allow update, delete: if request.auth != null && request.auth.uid == resource.data.authorId;

      // Authors can read their own private snippets
      allow read: if request.auth != null && request.auth.uid == resource.data.authorId;
    }

    // Users collection
    match /users/{userId} {
      // Public profiles are readable by anyone
      allow read: if true;

      // Users can only write to their own profile
      allow write: if request.auth != null && request.auth.uid == userId;
    }

    // Comments collection (nested under snippets)
    match /snippets/{snippetId}/comments/{commentId} {
      // Anyone can read comments on public snippets
      allow read: if get(/databases/$(database)/documents/snippets/$(snippetId)).data.isPublic == true;

      // Authors can read comments on their own snippets
      allow read: if request.auth != null &&
                  get(/databases/$(database)/documents/snippets/$(snippetId)).data.authorId == request.auth.uid;

      // Authenticated users can create comments
      allow create: if request.auth != null;

      // Only the comment author can update or delete their comments
      allow update, delete: if request.auth != null && request.auth.uid == resource.data.authorId;
    }

    // Likes collection (for tracking snippet likes)
    match /likes/{likeId} {
      // Anyone can read likes
      allow read: if true;

      // Authenticated users can create their own likes
      allow create: if request.auth != null &&
                    request.resource.data.userId == request.auth.uid;

      // Users can only delete their own likes
      allow delete: if request.auth != null &&
                    resource.data.userId == request.auth.uid;
    }

    // User follows collection
    match /follows/{followId} {
      // Anyone can read follows data
      allow read: if true;

      // Authenticated users can follow/unfollow
      allow create: if request.auth != null &&
                    request.resource.data.followerId == request.auth.uid;

      // Users can only delete their own follows
      allow delete: if request.auth != null &&
                    resource.data.followerId == request.auth.uid;
    }
  }
}