firestore.rules

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    match /users/{usersId}/{document=**} {
      allow read: 
      if request.auth != null;
      allow write:
      if request.auth != null && request.auth.uid == usersId;
    }
    match /users/{followingCount}{
      allow update:
      if request.auth != null && request.resource.data.followingCount == resource.data.followingCount - 1 || 
      request.resource.data.followingCount == resource.data.followingCount + 1; 
    }
    match /users/{followerCount}{
      allow update:
      if request.auth != null && request.resource.data.followerCount == resource.data.followerCount - 1 || 
      request.resource.data.followerCount == resource.data.followerCount + 1; 
    }
    match /posts/{document=**}{
    allow read, write:
    if request.auth != null;
    }
    match /follows/{document=**}{
    allow read, write:
    if request.auth != null;
    }
    match /conversations/{document=**}{
    	allow read:
      if request.auth != null;
    }
    match /conversations/{document=*}{
      allow write:
      if request.auth != null && request.auth.uid == request.resource.data.user1 || request.resource.data.user2;
    }
    match /conversations/{document=**}{
      allow write:
      if request.auth != null && request.auth.uid == request.resource.data.userId;
    }
  }
}