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/* global firebase */
/*
Firebase rule
{
"rules": {
".read": "auth != null",
"documents": {
"$documentId": {
"annotations": {
"$annotationId": {
".write": "auth.uid === newData.child('authorId').val() || auth.uid === data.child('authorId').val() || auth.uid === newData.child('parentAuthorId').val() || auth.uid === data.child('parentAuthorId').val()"
}
}
}
},
"authors": {
"$authorId": {
".write": "auth.uid === $authorId"
}
}
}
}
*/
(function() {
/* eslint-disable-next-line no-unused-vars */
class Server {
constructor() {
// Initialize server
const firebaseConfig = {
apiKey: 'AIzaSyACI5oR2Bh5FDXhTFNG0QJQmxtVXZaquSY',
authDomain: 'semiotic-pager-236718.firebaseapp.com',
databaseURL: 'https://semiotic-pager-236718.firebaseio.com',
projectId: 'semiotic-pager-236718',
storageBucket: 'semiotic-pager-236718.appspot.com',
messagingSenderId: '224191339954',
appId: '1:224191339954:web:707e0dc3d3bca0500c58ab',
};
firebase.initializeApp(firebaseConfig);
// Get references to database locations
this.authorsRef = firebase
.database()
.ref()
.child('authors');
}
// Custom bind function for authorization and data events
bind(action, callbackFunction) {
switch (action) {
case 'onAuthStateChanged':
firebase.auth().onAuthStateChanged(callbackFunction);
break;
case 'onAnnotationCreated':
this.annotationsRef.on('child_added', callbackFunction);
break;
case 'onAnnotationUpdated':
this.annotationsRef.on('child_changed', callbackFunction);
break;
case 'onAnnotationDeleted':
this.annotationsRef.on('child_removed', callbackFunction);
break;
default:
console.error('The action is not defined.');
break;
}
}
selectDocument(documentId) {
this.documentsRef = firebase
.database()
.ref()
.child('documents')
.child(documentId);
this.annotationsRef = this.documentsRef.child('annotations');
}
// Check if the author exists and open an appropriate popup
checkAuthor(authorId, openReturningAuthorPopup, openNewAuthorPopup) {
this.authorsRef.once('value', authors => {
if (authors.hasChild(authorId)) {
this.authorsRef.child(authorId).once('value', author => {
openReturningAuthorPopup(author.val().authorName);
});
} else {
openNewAuthorPopup();
}
});
}
// Sign in
signInAnonymously() {
firebase
.auth()
.signInAnonymously()
.catch(error => {
if (error.code === 'auth/operation-not-allowed') {
alert('You must enable Anonymous auth in the Firebase Console.');
} else {
console.error(error);
}
});
}
// Create/update/delete methods
createAnnotation(annotationId, annotationData) {
this.annotationsRef.child(annotationId).set(annotationData);
}
updateAnnotation(annotationId, annotationData) {
this.annotationsRef.child(annotationId).set(annotationData);
}
deleteAnnotation(annotationId) {
this.annotationsRef.child(annotationId).remove();
}
updateAuthor(authorId, authorData) {
this.authorsRef.child(authorId).set(authorData);
}
}
window.Server = Server;
})();