mirrors/hedgedoc
1
0
Fork 0
mirror of https://github.com/hedgedoc/hedgedoc.git synced 2025-05-21 10:45:20 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Update to move authorship calculation code to note model and support update authorship after making revision of docs

Browse source
This commit is contained in:
Wu Cheng-Han 2016-10-10 20:23:33 +08:00
parent a5e6b5dd3b
commit d23ced1fba
2 changed files with 177 additions and 101 deletions

101
lib/realtime.js
View file

@ -642,106 +642,7 @@ function operationCallback(socket, operation) {
}
}
// save authorship
var index = 0;
var authorships = note.authorship;
var timestamp = Date.now();
for (var i = 0; i < operation.length; i++) {
var op = operation[i];
if (ot.TextOperation.isRetain(op)) {
index += op;
} else if (ot.TextOperation.isInsert(op)) {
var opStart = index;
var opEnd = index + op.length;
var inserted = false;
// authorship format: [userId, startPos, endPos, createdAt, updatedAt]
if (authorships.length <= 0) authorships.push([userId, opStart, opEnd, timestamp, timestamp]);
else {
for (var j = 0; j < authorships.length; j++) {
var authorship = authorships[j];
if (!inserted) {
var nextAuthorship = authorships[j + 1] || -1;
if (nextAuthorship != -1 && nextAuthorship[1] >= opEnd || j >= authorships.length - 1) {
if (authorship[1] < opStart && authorship[2] > opStart) {
// divide
var postLength = authorship[2] - opStart;
authorship[2] = opStart;
authorship[4] = timestamp;
authorships.splice(j + 1, 0, [userId, opStart, opEnd, timestamp, timestamp]);
authorships.splice(j + 2, 0, [authorship[0], opEnd, opEnd + postLength, authorship[3], timestamp]);
j += 2;
inserted = true;
} else if (authorship[1] >= opStart) {
authorships.splice(j, 0, [userId, opStart, opEnd, timestamp, timestamp]);
j += 1;
inserted = true;
} else if (authorship[2] <= opStart) {
authorships.splice(j + 1, 0, [userId, opStart, opEnd, timestamp, timestamp]);
j += 1;
inserted = true;
}
}
}
if (authorship[1] >= opStart) {
authorship[1] += op.length;
authorship[2] += op.length;
}
}
}
index += op.length;
} else if (ot.TextOperation.isDelete(op)) {
var opStart = index;
var opEnd = index - op;
if (operation.length == 1) {
authorships = [];
} else if (authorships.length > 0) {
for (var j = 0; j < authorships.length; j++) {
var authorship = authorships[j];
if (authorship[1] >= opStart && authorship[1] <= opEnd && authorship[2] >= opStart && authorship[2] <= opEnd) {
authorships.splice(j, 1);
j -= 1;
} else if (authorship[1] < opStart && authorship[1] < opEnd && authorship[2] > opStart && authorship[2] > opEnd) {
authorship[2] += op;
authorship[4] = timestamp;
} else if (authorship[2] >= opStart && authorship[2] <= opEnd) {
authorship[2] = opStart;
authorship[4] = timestamp;
} else if (authorship[1] >= opStart && authorship[1] <= opEnd) {
authorship[1] = opEnd;
authorship[4] = timestamp;
}
if (authorship[1] >= opEnd) {
authorship[1] += op;
authorship[2] += op;
}
}
}
index += op;
}
}
// merge
for (var j = 0; j < authorships.length; j++) {
var authorship = authorships[j];
for (var k = j + 1; k < authorships.length; k++) {
var nextAuthorship = authorships[k];
if (nextAuthorship && authorship[0] === nextAuthorship[0] && authorship[2] === nextAuthorship[1]) {
var minTimestamp = Math.min(authorship[3], nextAuthorship[3]);
var maxTimestamp = Math.max(authorship[3], nextAuthorship[3]);
authorships.splice(j, 1, [authorship[0], authorship[1], nextAuthorship[2], minTimestamp, maxTimestamp]);
authorships.splice(k, 1);
j -= 1;
break;
}
}
}
// clear
for (var j = 0; j < authorships.length; j++) {
var authorship = authorships[j];
if (!authorship[0]) {
authorships.splice(j, 1);
j -= 1;
}
}
note.authorship = authorships;
note.authorship = models.Note.updateAuthorshipByOperation(operation, userId, note.authorship);
}
function connection(socket) {