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Viewing changes to modules/org/openteacher/profileRunners/webGenerator/static/scr/share.js

  • Committer: Marten de Vries
  • Date: 2017-06-28 18:05:48 UTC
  • Revision ID: git-v1:b4c406307aa345c58b9904b76580f15c5bff2a4e
Move JS into npm modules

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modules/org/openteacher/profileRunners/webGenerator/static/scr/share.js
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var sharePage = (function () {
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        var currentUsername, currentDb, currentShareName, cancelChanges;
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        function queryOpts(shareName) {
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                return {startkey: [currentShareName], endkey: [currentShareName, {}, {}]};
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        }
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        function retranslate() {
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                $("#back-to-shares").text(_("Back to the shares page"));
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                $("#share-lists .last-edited-label").text(_("Last edited:"));
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                $("#share-lists .view-link").text(_("View"));
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                $("#share-lists .take-over-link").text(_("Take over"));
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                //TRANSLATORS: as in ATOM/RSS feeds.
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                //TRANSLATORS: (https://en.wikipedia.org/wiki/Web_feed)
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                $("#share-feed-link").attr("title", _("Feed"));
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        }
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        session.languageChanged.handle(retranslate);
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        function onSharedListsChange() {
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                currentDb.query("shares/by_name", queryOpts(), function (err, resp) {
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                        $("#share-lists").empty();
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                        $.each(resp.rows, function (i, row) {
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                                var list = tmpl("share-list-template", {
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                                        doc: row.value,
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                                        shareName: currentShareName,
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                                        username: currentUsername,
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                                        dbName: currentDbName(),
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                                        classes: i % 2 ? "even" : "odd"
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                                });
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                                $("#share-lists").append(list);
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                        });
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                        //update ui translation
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                        retranslate();
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                });
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        }
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        $(function () {
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                $("#back-to-shares").click(function () {
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                        //calling directly doesn't work it seems.
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                        history.back();
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                });
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        });
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        function currentDbName() {
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                return "shared_lists_" + currentUsername;
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        }
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        function onSyncError() {
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                if (err.status === 404) {
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                        //'bypassed' means 'not routed' -> gives the 404 page.
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                        crossroads.bypassed.dispatch("shares/" + username + "/" + shareName);
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                }
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        }
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        var shareRoute = crossroads.addRoute("shares/{username}/{shareName}");
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        shareRoute.matched.add(function (username, shareName) {
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                currentUsername = username;
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                currentShareName = shareName;
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                currentDb = new PouchDB(currentDbName());
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                sync.start(currentDbName());
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                sync.errorsFor(currentDbName()).handle(onSyncError);
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                cancelChanges = sync.onChangesFor(currentDbName(), onSharedListsChange);
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                $("#share-page .subheader").text(shareName);
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                $("#share-feed-link").attr(
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                        "href",
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                        COUCHDB_HOST + "/" + currentDbName() + "/_design/shares/_list/feed/by_name?startkey=" + JSON.stringify(queryOpts().startkey) + "&endkey=" + JSON.stringify(queryOpts().endkey)
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                );
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                show("#share-page");
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        });
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        shareRoute.switched.add(function () {
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                sync.errorsFor(currentDbName()).unhandle(onSyncError);
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                cancelChanges();
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                sync.stop(currentDbName());
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        });
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        crossroads.addRoute("shares/{username}/{shareName}/{docId}/take-over", function (username, shareName, docId) {
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                //first set up the base page
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                crossroads.parse("shares/" + username + "/" + shareName);
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                var url = "shares/" + username + "/" + shareName + "/" + docId + "/take-over";
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                if (!session.loggedIn) {
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                        session.next = url;
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                        hasher.replaceHash("login");
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                        return;
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                }
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                var db = new PouchDB(currentDbName());
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                db.get(docId, function (err, resp) {
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                        if (resp) {
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                                //make it act like a new doc. This way, we don't get
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                                //conflicts when user a shares a doc which user b takes
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                                //over and shares which user a takes over again.
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                                //(yeah, pretty unlikely. :P)
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                                delete resp._id;
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                                delete resp._rev;
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                                session.userDbs.private.post(resp);
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                        } else {
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                                //somehow the doc isn't found -> 404.
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                                crossroads.bypassed.dispatch(url);
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                        }
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                });
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        });
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}());