62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
// adapted from https://github.com/harthur/costco. heather rules
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var costco = function() {
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function handleEditorChange(e) {
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mapDocs(app.cache, e.target.value, true);
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}
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function mapDocs(docs, funcString, preview) {
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if(preview) var errors = $('.expression-preview-parsing-status');
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try {
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eval("var editFunc = " + funcString);
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if(preview) errors.text('No syntax error.');
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} catch(e) {
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if(preview) errors.text(e+"");
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return;
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}
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var toUpdate = []
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, deleted = 0
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, edited = 0
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, failed = 0
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;
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if(preview) var preview = [];
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_.each(docs, function(doc) {
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try {
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var updated = editFunc(_.clone(doc));
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} catch(e) {
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failed++; // ignore if it throws on this doc
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return;
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}
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if(updated === null) {
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doc._deleted = true;
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toUpdate.push(doc);
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deleted++;
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}
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else if(updated && !_.isEqual(updated, doc)) {
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toUpdate.push(updated);
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edited++;
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}
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if(preview) preview.push({before: JSON.stringify(doc[app.currentColumn]), after: JSON.stringify(updated[app.currentColumn])});
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});
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if(preview) util.render('editPreview', 'expression-preview-container', {rows: preview});
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return toUpdate;
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}
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function updateDocs(docs, callback) {
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if(!docs.length)
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return callback("Failed to update");
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couch.request({url: app.baseURL + "api/_bulk_docs", type: "POST", data: JSON.stringify({docs: docs})}).then(callback);
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}
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return {
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handleEditorChange: handleEditorChange,
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mapDocs: mapDocs,
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updateDocs: updateDocs
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};
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}(); |