Additional view modes for assignment solutions.

src/locales/cs.json

@@ -157,9 +157,12 @@
   "app.assignmentSolutions.pendingReviews": "V tuto chvíli {count, plural, one {je otevřena} =2 {jsou otevřeny} =3 {jsou otevřeny} =4 {jsou otevřeny} other {je otevřeno}} {count} {count, plural, one {revize} =2 {revize} =3 {revize} =4 {revize} other {revizí}} ze všech řešení vybrané úlohy. Nezapomeňte, že autoři úloh vidí vaše komentáře zdrojových kódů až poté, co jsou příslušné revize uzavřeny.",
   "app.assignmentSolutions.plagiarismsDetected": "V seznamu {count, plural, one {je zobrazeno} =2 {jsou zobrazena} =3 {jsou zobrazena} =4 {jsou zobrazena} other {je zobrazeno}} {count} řešení, {count, plural, one {ke kterému} other {ke kterým}} byla nelezena podobná řešení. V takových případech se může jednat o plagiáty.",
   "app.assignmentSolutions.title": "Všechna řešení zadané úlohy",
+  "app.assignmentSolutions.viewModes.accepted": "Pouze akceptovaná řešení",
   "app.assignmentSolutions.viewModes.best": "Pouze nejlepší řešení",
   "app.assignmentSolutions.viewModes.default": "Všechna řešení (výchozí)",
   "app.assignmentSolutions.viewModes.grouped": "Seskupit dle uživatelů",
+  "app.assignmentSolutions.viewModes.last": "Pouze poslední řešení",
+  "app.assignmentSolutions.viewModes.reviewed": "Pouze revidovaná řešení",
   "app.assignmentSolutions.viewModesTitle": "Vyberte způsob zobrazení řešení",
   "app.assignments.deadline": "Termín odevzdání",
   "app.assignments.deleteAllButton": "Smazat",

src/locales/en.json

@@ -157,9 +157,12 @@
   "app.assignmentSolutions.pendingReviews": "There {count, plural, one {is} other {are}} {count} pending {count, plural, one {review} other {reviews}} among the solutions of the selected assignment. Remember that the review comments are visible to the author after a review is closed.",
   "app.assignmentSolutions.plagiarismsDetected": "There {count, plural, one {is} other {are}} {count} {count, plural, one {solution} other {solutions}} with detected similarities. Such solutions may be plagiarisms.",
   "app.assignmentSolutions.title": "All Submissions of The Assignment",
+  "app.assignmentSolutions.viewModes.accepted": "Accepted solutions only",
   "app.assignmentSolutions.viewModes.best": "Best solutions only",
   "app.assignmentSolutions.viewModes.default": "All solutions (default)",
   "app.assignmentSolutions.viewModes.grouped": "Grouped by users",
+  "app.assignmentSolutions.viewModes.last": "Latest solutions only",
+  "app.assignmentSolutions.viewModes.reviewed": "Reviewed solutions only",
   "app.assignmentSolutions.viewModesTitle": "Select solutions view filter",
   "app.assignments.deadline": "Deadline",
   "app.assignments.deleteAllButton": "Delete",

src/pages/AssignmentSolutions/AssignmentSolutions.js

@@ -69,9 +69,14 @@ import { storageGetItem, storageSetItem } from '../../helpers/localStorage';
 import withLinks from '../../helpers/withLinks';
 import { safeGet, identity, arrayToObject, toPlainAscii, hasPermissions } from '../../helpers/common';
 
+// View mode keys, labels, and filtering functions
 const VIEW_MODE_DEFAULT = 'default';
 const VIEW_MODE_GROUPED = 'grouped';
 const VIEW_MODE_BEST = 'best';
+const VIEW_MODE_LAST = 'last';
+const VIEW_MODE_ACCEPTED = 'accepted';
+const VIEW_MODE_REVIEWD = 'reviewed';
+
 const viewModes = {
   [VIEW_MODE_DEFAULT]: (
     <FormattedMessage id="app.assignmentSolutions.viewModes.default" defaultMessage="All solutions (default)" />
@@ -82,6 +87,33 @@ const viewModes = {
   [VIEW_MODE_BEST]: (
     <FormattedMessage id="app.assignmentSolutions.viewModes.best" defaultMessage="Best solutions only" />
   ),
+  [VIEW_MODE_LAST]: (
+    <FormattedMessage id="app.assignmentSolutions.viewModes.last" defaultMessage="Latest solutions only" />
+  ),
+  [VIEW_MODE_ACCEPTED]: (
+    <FormattedMessage id="app.assignmentSolutions.viewModes.accepted" defaultMessage="Accepted solutions only" />
+  ),
+  [VIEW_MODE_REVIEWD]: (
+    <FormattedMessage id="app.assignmentSolutions.viewModes.reviewed" defaultMessage="Reviewed solutions only" />
+  ),
+};
+
+const _getLastAttemptIndices = defaultMemoize(solutions => {
+  const lastAttemptIndices = {};
+  solutions.filter(identity).forEach(s => {
+    lastAttemptIndices[s.authorId] = Math.max(s.attemptIndex || 0, lastAttemptIndices[s.authorId] || 0);
+  });
+  return lastAttemptIndices;
+});
+
+const viewModeFilters = {
+  [VIEW_MODE_DEFAULT]: null,
+  [VIEW_MODE_GROUPED]: null,
+  [VIEW_MODE_BEST]: solution => solution && solution.isBestSolution,
+  [VIEW_MODE_LAST]: (solution, _, solutions) =>
+    solution && solution.attemptIndex === _getLastAttemptIndices(solutions)[solution.authorId],
+  [VIEW_MODE_ACCEPTED]: solution => solution && solution.accepted,
+  [VIEW_MODE_REVIEWD]: solution => solution && solution.review,
 };
 
 const prepareTableColumnDescriptors = defaultMemoize((loggedUserId, assignmentId, groupId, viewMode, locale, links) => {
@@ -262,7 +294,7 @@ const prepareTableData = defaultMemoize(
       .toArray()
       .map(getJsData)
       .filter(solution => solution && usersIndex[solution.authorId])
-      .filter(viewMode === VIEW_MODE_BEST ? solution => solution && solution.isBestSolution : identity)
+      .filter(viewModeFilters[viewMode] || identity)
       .map(
         ({
           id,