mirror of
https://github.com/overleaf/overleaf.git
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253 lines
7 KiB
CoffeeScript
253 lines
7 KiB
CoffeeScript
define [
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"ide/track-changes/controllers/TrackChangesListController"
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"ide/track-changes/controllers/TrackChangesDiffController"
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"ide/track-changes/directives/infiniteScroll"
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], () ->
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class TrackChangesManager
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constructor: (@ide, @$scope) ->
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@reset()
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@$scope.toggleTrackChanges = () =>
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if @$scope.ui.view == "track-changes"
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@hide()
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else
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@show()
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@$scope.$watch "trackChanges.selection.updates", (updates) =>
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if updates? and updates.length > 0
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@_selectDocFromUpdates()
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@reloadDiff()
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@$scope.$on "entity:selected", (event, entity) =>
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if (@$scope.ui.view == "track-changes") and (entity.type == "doc")
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@$scope.trackChanges.selection.doc = entity
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@reloadDiff()
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show: () ->
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@$scope.ui.view = "track-changes"
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@reset()
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hide: () ->
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@$scope.ui.view = "editor"
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# Make sure we run the 'open' logic for whatever is currently selected
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@$scope.$emit "entity:selected", @ide.fileTreeManager.findSelectedEntity()
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reset: () ->
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@$scope.trackChanges = {
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updates: []
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nextBeforeTimestamp: null
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atEnd: false
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selection: {
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updates: []
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doc: null
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range: {
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fromV: null
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toV: null
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start_ts: null
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end_ts: null
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}
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}
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diff: null
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}
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autoSelectRecentUpdates: () ->
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return if @$scope.trackChanges.updates.length == 0
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@$scope.trackChanges.updates[0].selectedTo = true
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indexOfLastUpdateNotByMe = 0
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for update, i in @$scope.trackChanges.updates
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if @_updateContainsUserId(update, @$scope.user.id)
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break
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indexOfLastUpdateNotByMe = i
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@$scope.trackChanges.updates[indexOfLastUpdateNotByMe].selectedFrom = true
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BATCH_SIZE: 10
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fetchNextBatchOfUpdates: () ->
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url = "/project/#{@ide.project_id}/updates?min_count=#{@BATCH_SIZE}"
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if @$scope.trackChanges.nextBeforeTimestamp?
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url += "&before=#{@$scope.trackChanges.nextBeforeTimestamp}"
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@$scope.trackChanges.loading = true
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@ide.$http
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.get(url)
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.success (data) =>
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@_loadUpdates(data.updates)
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@$scope.trackChanges.nextBeforeTimestamp = data.nextBeforeTimestamp
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if !data.nextBeforeTimestamp?
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@$scope.trackChanges.atEnd = true
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@$scope.trackChanges.loading = false
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reloadDiff: () ->
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diff = @$scope.trackChanges.diff
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{updates, doc} = @$scope.trackChanges.selection
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{fromV, toV, start_ts, end_ts} = @_calculateRangeFromSelection()
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return if !doc?
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return if diff? and
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diff.doc == doc and
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diff.fromV == fromV and
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diff.toV == toV
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@$scope.trackChanges.diff = diff = {
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fromV: fromV
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toV: toV
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start_ts: start_ts
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end_ts: end_ts
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doc: doc
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error: false
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}
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if !doc.deleted
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diff.loading = true
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url = "/project/#{@$scope.project_id}/doc/#{diff.doc.id}/diff"
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if diff.fromV? and diff.toV?
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url += "?from=#{diff.fromV}&to=#{diff.toV}"
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@ide.$http
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.get(url)
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.success (data) =>
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diff.loading = false
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{text, highlights} = @_parseDiff(data)
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diff.text = text
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diff.highlights = highlights
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.error () ->
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diff.loading = false
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diff.error = true
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else
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diff.deleted = true
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restoreDeletedDoc: (doc) ->
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url = "/project/#{@$scope.project_id}/doc/#{doc.id}/restore"
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@ide.$http.post(url, name: doc.name, _csrf: window.csrfToken)
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restoreDiff: (diff) ->
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url = "/project/#{@$scope.project_id}/doc/#{diff.doc.id}/version/#{diff.fromV}/restore"
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@ide.$http.post(url, _csrf: window.csrfToken)
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_parseDiff: (diff) ->
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row = 0
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column = 0
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highlights = []
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text = ""
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for entry, i in diff.diff or []
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content = entry.u or entry.i or entry.d
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content ||= ""
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text += content
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lines = content.split("\n")
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startRow = row
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startColumn = column
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if lines.length > 1
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endRow = startRow + lines.length - 1
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endColumn = lines[lines.length - 1].length
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else
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endRow = startRow
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endColumn = startColumn + lines[0].length
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row = endRow
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column = endColumn
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range = {
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start:
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row: startRow
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column: startColumn
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end:
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row: endRow
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column: endColumn
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}
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if entry.i? or entry.d?
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if entry.meta.user?
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name = "#{entry.meta.user.first_name} #{entry.meta.user.last_name}"
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else
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name = "Anonymous"
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if entry.meta.user?.id == @$scope.user.id
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name = "you"
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date = moment(entry.meta.end_ts).format("Do MMM YYYY, h:mm a")
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if entry.i?
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highlights.push {
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label: "Added by #{name} on #{date}"
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highlight: range
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hue: @ide.onlineUsersManager.getHueForUserId(entry.meta.user?.id)
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}
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else if entry.d?
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highlights.push {
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label: "Deleted by #{name} on #{date}"
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strikeThrough: range
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hue: @ide.onlineUsersManager.getHueForUserId(entry.meta.user?.id)
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}
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return {text, highlights}
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_loadUpdates: (updates = []) ->
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previousUpdate = @$scope.trackChanges.updates[@$scope.trackChanges.updates.length - 1]
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for update in updates
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for doc_id, doc of update.docs or {}
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doc.entity = @ide.fileTreeManager.findEntityById(doc_id, includeDeleted: true)
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for user in update.meta.users or []
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user.hue = @ide.onlineUsersManager.getHueForUserId(user.id)
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if !previousUpdate? or !moment(previousUpdate.meta.end_ts).isSame(update.meta.end_ts, "day")
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update.meta.first_in_day = true
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update.selectedFrom = false
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update.selectedTo = false
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update.inSelection = false
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previousUpdate = update
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firstLoad = @$scope.trackChanges.updates.length == 0
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@$scope.trackChanges.updates =
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@$scope.trackChanges.updates.concat(updates)
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@autoSelectRecentUpdates() if firstLoad
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_calculateRangeFromSelection: () ->
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fromV = toV = start_ts = end_ts = null
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selected_doc_id = @$scope.trackChanges.selection.doc?.id
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for update in @$scope.trackChanges.selection.updates or []
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for doc_id, doc of update.docs
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if doc_id == selected_doc_id
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if fromV? and toV?
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fromV = Math.min(fromV, doc.fromV)
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toV = Math.max(toV, doc.toV)
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start_ts = Math.min(start_ts, update.meta.start_ts)
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end_ts = Math.max(end_ts, update.meta.end_ts)
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else
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fromV = doc.fromV
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toV = doc.toV
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start_ts = update.meta.start_ts
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end_ts = update.meta.end_ts
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break
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return {fromV, toV, start_ts, end_ts}
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# Set the track changes selected doc to one of the docs in the range
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# of currently selected updates. If we already have a selected doc
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# then prefer this one if present.
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_selectDocFromUpdates: () ->
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affected_docs = {}
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for update in @$scope.trackChanges.selection.updates
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for doc_id, doc of update.docs
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affected_docs[doc_id] = doc.entity
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selected_doc = @$scope.trackChanges.selection.doc
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if selected_doc? and affected_docs[selected_doc.id]?
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# Selected doc is already open
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else
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for doc_id, doc of affected_docs
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selected_doc = doc
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break
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@$scope.trackChanges.selection.doc = selected_doc
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@ide.fileTreeManager.selectEntity(selected_doc)
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_updateContainsUserId: (update, user_id) ->
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for user in update.meta.users
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return true if user.id == user_id
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return false
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