Updating size limitations to be more reasonable

Javascript validation keeps inputs < 64KB, the python API allows up to
100KB.

apps/openassessment/assessment/models.py

@@ -237,7 +237,7 @@ class Assessment(models.Model):
     objects that map to each :class:`Criterion` in the :class:`Rubric` we're
     assessing against.
     """
-    MAXSIZE = 1024*1024
+    MAXSIZE = 1024 * 100     # 100KB 
 
     submission_uuid = models.CharField(max_length=128, db_index=True)
     rubric = models.ForeignKey(Rubric)
@@ -431,7 +431,7 @@ class AssessmentFeedback(models.Model):
     as well as zero or more feedback options
     ("Please select the statements below that reflect what you think of this peer grading experience")
     """
-    MAXSIZE = 1024*1024
+    MAXSIZE = 1024*100       # 100KB
 
     submission_uuid = models.CharField(max_length=128, unique=True, db_index=True)
     assessments = models.ManyToManyField(Assessment, related_name='assessment_feedback', default=None)

apps/openassessment/xblock/static/js/openassessment.min.js

-if(typeof OpenAssessment=="undefined"||!OpenAssessment){OpenAssessment={}}OpenAssessment.BaseUI=function(runtime,element,server){this.runtime=runtime;this.element=element;this.server=server};OpenAssessment.BaseUI.prototype={scrollToTop:function(){if($.scrollTo instanceof Function){$(window).scrollTo($("#openassessment__steps"),800,{offset:-50})}},setUpCollapseExpand:function(parentSel,onExpand){parentSel.find(".ui-toggle-visibility__control").click(function(eventData){var sel=$(eventData.target).closest(".ui-toggle-visibility");if(sel.hasClass("is--collapsed")&&onExpand!==undefined){onExpand()}sel.toggleClass("is--collapsed")})},load:function(){this.renderSubmissionStep();this.renderPeerAssessmentStep();this.renderSelfAssessmentStep();this.renderGradeStep()},renderSubmissionStep:function(){var ui=this;this.server.render("submission").done(function(html){$("#openassessment__response",ui.element).replaceWith(html);var sel=$("#openassessment__response",ui.element);ui.setUpCollapseExpand(sel);ui.responseChanged();sel.find("#submission__answer__value").keyup(function(eventData){ui.responseChanged()});sel.find("#step--response__submit").click(function(eventObject){eventObject.preventDefault();ui.submit()});sel.find("#submission__save").click(function(eventObject){eventObject.preventDefault();ui.save()})}).fail(function(errMsg){ui.showLoadError("response")})},responseChanged:function(){var blankSubmission=$("#submission__answer__value",this.element).val()==="";$("#step--response__submit",this.element).toggleClass("is--disabled",blankSubmission);$("#submission__save",this.element).toggleClass("is--disabled",blankSubmission)},renderPeerAssessmentStep:function(){var ui=this;this.server.render("peer_assessment").done(function(html){$("#openassessment__peer-assessment",ui.element).replaceWith(html);var sel=$("#openassessment__peer-assessment",ui.element);ui.setUpCollapseExpand(sel,$.proxy(ui.renderContinuedPeerAssessmentStep,ui));sel.find("#peer-assessment--001__assessment").change(function(){var numChecked=$("input[type=radio]:checked",this).length;var numAvailable=$(".field--radio.assessment__rubric__question",this).length;$("#peer-assessment--001__assessment__submit",ui.element).toggleClass("is--disabled",numChecked!=numAvailable)});sel.find("#peer-assessment--001__assessment__submit").click(function(eventObject){eventObject.preventDefault();ui.peerAssess()})}).fail(function(errMsg){ui.showLoadError("peer-assessment")})},renderContinuedPeerAssessmentStep:function(){var ui=this;this.server.renderContinuedPeer().done(function(html){$("#openassessment__peer-assessment",ui.element).replaceWith(html);var sel=$("#openassessment__peer-assessment",ui.element);ui.setUpCollapseExpand(sel);sel.find("#peer-assessment--001__assessment__submit").click(function(eventObject){eventObject.preventDefault();ui.continuedPeerAssess()});sel.find("#peer-assessment--001__assessment").change(function(){var numChecked=$("input[type=radio]:checked",this).length;var numAvailable=$(".field--radio.assessment__rubric__question",this).length;$("#peer-assessment--001__assessment__submit",ui.element).toggleClass("is--disabled",numChecked!=numAvailable)})}).fail(function(errMsg){ui.showLoadError("peer-assessment")})},renderSelfAssessmentStep:function(){var ui=this;this.server.render("self_assessment").done(function(html){$("#openassessment__self-assessment",ui.element).replaceWith(html);var sel=$("#openassessment__self-assessment",ui.element);ui.setUpCollapseExpand(sel);$("#self-assessment--001__assessment",ui.element).change(function(){var numChecked=$("input[type=radio]:checked",this).length;var numAvailable=$(".field--radio.assessment__rubric__question",this).length;$("#self-assessment--001__assessment__submit",ui.element).toggleClass("is--disabled",numChecked!=numAvailable)});sel.find("#self-assessment--001__assessment__submit").click(function(eventObject){eventObject.preventDefault();ui.selfAssess()})}).fail(function(errMsg){ui.showLoadError("self-assessment")})},renderGradeStep:function(){var ui=this;this.server.render("grade").done(function(html){$("#openassessment__grade",ui.element).replaceWith(html);var sel=$("#openassessment__grade",ui.element);ui.setUpCollapseExpand(sel);sel.find("#feedback__submit").click(function(eventObject){eventObject.preventDefault();ui.submitFeedbackOnAssessment()})}).fail(function(errMsg){ui.showLoadError("grade",errMsg)})},save:function(){var ui=this;var submission=$("#submission__answer__value",ui.element).val();ui.setSaveStatus("Saving...");ui.toggleActionError("save",null);ui.server.save(submission).done(function(){ui.setSaveStatus("Saved but not submitted")}).fail(function(errMsg){ui.setSaveStatus("Error");ui.toggleActionError("save",errMsg)})},setSaveStatus:function(msg){$("#response__save_status h3",this.element).html(msg)},submit:function(){var ui=this;var submission=$("#submission__answer__value",ui.element).val();ui.toggleActionError("response",null);ui.server.submit(submission).done(function(studentId,attemptNum){ui.renderSubmissionStep();ui.renderPeerAssessmentStep()}).fail(function(errCode,errMsg){ui.toggleActionError("submit",errMsg)})},submitFeedbackOnAssessment:function(){var ui=this;var text=$("#feedback__remarks__value",ui.element).val();var options=$.map($(".feedback__overall__value:checked",ui.element),function(element,index){return $(element).val()});ui.server.submitFeedbackOnAssessment(text,options).done(function(){}).fail(function(errMsg){ui.toggleActionError("feedback_assess",errMsg)})},peerAssess:function(){var ui=this;ui.peerAssessRequest(function(){ui.renderPeerAssessmentStep();ui.renderSelfAssessmentStep();ui.renderGradeStep();ui.scrollToTop()})},continuedPeerAssess:function(){var ui=this;ui.peerAssessRequest(function(){ui.renderContinuedPeerAssessmentStep();ui.renderGradeStep()})},peerAssessRequest:function(successFunction){var submissionId=$("span#peer_submission_uuid",this.element)[0].innerHTML.trim();var optionsSelected={};$("#peer-assessment--001__assessment input[type=radio]:checked",this.element).each(function(index,sel){optionsSelected[sel.name]=sel.value});var feedback=$("#assessment__rubric__question--feedback__value",this.element).val();var ui=this;this.toggleActionError("peer",null);this.server.peerAssess(submissionId,optionsSelected,feedback).done(successFunction).fail(function(errMsg){ui.toggleActionError("peer",errMsg)})},selfAssess:function(){var submissionId=$("span#self_submission_uuid",this.element)[0].innerHTML.trim();var optionsSelected={};$("#self-assessment--001__assessment input[type=radio]:checked",this.element).each(function(index,sel){optionsSelected[sel.name]=sel.value});var ui=this;this.toggleActionError("self",null);this.server.selfAssess(submissionId,optionsSelected).done(function(){ui.renderPeerAssessmentStep();ui.renderSelfAssessmentStep();ui.renderGradeStep();ui.scrollToTop()}).fail(function(errMsg){ui.toggleActionError("self",errMsg)})},toggleActionError:function(type,msg){var container=null;if(type=="save"){container=".response__submission__actions"}else if(type=="submit"){container=".step__actions"}else if(type=="peer"){container=".step__actions"}else if(type=="self"){container=".self-assessment__actions"}else if(type=="feedback_assess"){container=".submission__feedback__actions"}if(container===null){if(msg!==null){console.log(msg)}}else{var msgHtml=msg===null?"":msg;$(container+" .message__content").html("<p>"+msgHtml+"</p>");$(container).toggleClass("has--error",msg!==null)}},showLoadError:function(step){var container="#openassessment__"+step;$(container).toggleClass("has--error",true);$(container+" .step__status__value i").removeClass().addClass("ico icon-warning-sign");$(container+" .step__status__value .copy").html("Unable to Load")}};function OpenAssessmentBlock(runtime,element){$(function($){var server=new OpenAssessment.Server(runtime,element);var ui=new OpenAssessment.BaseUI(runtime,element,server);ui.load()})}if(typeof OpenAssessment=="undefined"||!OpenAssessment){OpenAssessment={}}OpenAssessment.StudioUI=function(runtime,element,server){this.runtime=runtime;this.server=server;this.codeBox=CodeMirror.fromTextArea($(element).find(".openassessment-editor").first().get(0),{mode:"xml",lineNumbers:true,lineWrapping:true});var ui=this;$(element).find(".openassessment-save-button").click(function(eventData){ui.save()});$(element).find(".openassessment-cancel-button").click(function(eventData){ui.cancel()})};OpenAssessment.StudioUI.prototype={load:function(){var ui=this;this.server.loadXml().done(function(xml){ui.codeBox.setValue(xml)}).fail(function(msg){ui.showError(msg)})},save:function(){var ui=this;this.server.checkReleased().done(function(isReleased){if(isReleased){ui.confirmPostReleaseUpdate($.proxy(ui.updateXml,ui))}else{ui.updateXml()}}).fail(function(errMsg){ui.showError(msg)})},confirmPostReleaseUpdate:function(onConfirm){var msg="This problem has already been released.  Any changes will apply only to future assessments.";if(confirm(msg)){onConfirm()}},updateXml:function(){this.runtime.notify("save",{state:"start"});var xml=this.codeBox.getValue();var ui=this;this.server.updateXml(xml).done(function(){ui.runtime.notify("save",{state:"end"});ui.load()}).fail(function(msg){ui.showError(msg)})},cancel:function(){this.runtime.notify("cancel",{})},showError:function(errorMsg){this.runtime.notify("error",{msg:errorMsg})}};function OpenAssessmentEditor(runtime,element){$(function($){var server=new OpenAssessment.Server(runtime,element);var ui=new OpenAssessment.StudioUI(runtime,element,server);ui.load()})}if(typeof OpenAssessment=="undefined"||!OpenAssessment){OpenAssessment={}}OpenAssessment.Server=function(runtime,element){this.runtime=runtime;this.element=element};OpenAssessment.Server.prototype={url:function(handler){return this.runtime.handlerUrl(this.element,handler)},render:function(component){var url=this.url("render_"+component);return $.Deferred(function(defer){$.ajax({url:url,type:"POST",dataType:"html"}).done(function(data){defer.resolveWith(this,[data])}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},renderContinuedPeer:function(){var url=this.url("render_peer_assessment");return $.Deferred(function(defer){$.ajax({url:url,type:"POST",dataType:"html",data:{continue_grading:true}}).done(function(data){defer.resolveWith(this,[data])}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},submit:function(submission){var url=this.url("submit");if(submission.length>1024*256){return $.Deferred(function(defer){defer.rejectWith(this,["submit","Text input too large."])}).promise()}return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:JSON.stringify({submission:submission})}).done(function(data){var success=data[0];if(success){var studentId=data[1];var attemptNum=data[2];defer.resolveWith(this,[studentId,attemptNum])}else{var errorNum=data[1];var errorMsg=data[2];defer.rejectWith(this,[errorNum,errorMsg])}}).fail(function(data){defer.rejectWith(this,["AJAX","Could not contact server."])})}).promise()},save:function(submission){var url=this.url("save_submission");if(submission.length>1024*256){return $.Deferred(function(defer){defer.rejectWith(this,["Text input too large."])}).promise()}return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:JSON.stringify({submission:submission})}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},submitFeedbackOnAssessment:function(text,options){var url=this.url("submit_feedback");if(text.length>1024*256){return $.Deferred(function(defer){defer.rejectWith(this,["Text input too large."])}).promise()}var payload=JSON.stringify({feedback_text:text,feedback_options:options});return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},peerAssess:function(submissionId,optionsSelected,feedback){var url=this.url("peer_assess");if(feedback.length>1024*256){return $.Deferred(function(defer){defer.rejectWith(this,["Text input too large."])}).promise()}var payload=JSON.stringify({submission_uuid:submissionId,options_selected:optionsSelected,feedback:feedback});return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},selfAssess:function(submissionId,optionsSelected){var url=this.url("self_assess");var payload=JSON.stringify({submission_uuid:submissionId,options_selected:optionsSelected});return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})})},loadXml:function(){var url=this.url("xml");return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:'""'}).done(function(data){if(data.success){defer.resolveWith(this,[data.xml])}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},updateXml:function(xml){var url=this.url("update_xml");var payload=JSON.stringify({xml:xml});return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},checkReleased:function(){var url=this.url("check_released");var payload='""';return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolveWith(this,[data.is_released])}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()}};
+if(typeof OpenAssessment=="undefined"||!OpenAssessment){OpenAssessment={}}OpenAssessment.BaseUI=function(runtime,element,server){this.runtime=runtime;this.element=element;this.server=server};OpenAssessment.BaseUI.prototype={scrollToTop:function(){if($.scrollTo instanceof Function){$(window).scrollTo($("#openassessment__steps"),800,{offset:-50})}},setUpCollapseExpand:function(parentSel,onExpand){parentSel.find(".ui-toggle-visibility__control").click(function(eventData){var sel=$(eventData.target).closest(".ui-toggle-visibility");if(sel.hasClass("is--collapsed")&&onExpand!==undefined){onExpand()}sel.toggleClass("is--collapsed")})},load:function(){this.renderSubmissionStep();this.renderPeerAssessmentStep();this.renderSelfAssessmentStep();this.renderGradeStep()},renderSubmissionStep:function(){var ui=this;this.server.render("submission").done(function(html){$("#openassessment__response",ui.element).replaceWith(html);var sel=$("#openassessment__response",ui.element);ui.setUpCollapseExpand(sel);ui.responseChanged();sel.find("#submission__answer__value").keyup(function(eventData){ui.responseChanged()});sel.find("#step--response__submit").click(function(eventObject){eventObject.preventDefault();ui.submit()});sel.find("#submission__save").click(function(eventObject){eventObject.preventDefault();ui.save()})}).fail(function(errMsg){ui.showLoadError("response")})},responseChanged:function(){var blankSubmission=$("#submission__answer__value",this.element).val()==="";$("#step--response__submit",this.element).toggleClass("is--disabled",blankSubmission);$("#submission__save",this.element).toggleClass("is--disabled",blankSubmission)},renderPeerAssessmentStep:function(){var ui=this;this.server.render("peer_assessment").done(function(html){$("#openassessment__peer-assessment",ui.element).replaceWith(html);var sel=$("#openassessment__peer-assessment",ui.element);ui.setUpCollapseExpand(sel,$.proxy(ui.renderContinuedPeerAssessmentStep,ui));sel.find("#peer-assessment--001__assessment").change(function(){var numChecked=$("input[type=radio]:checked",this).length;var numAvailable=$(".field--radio.assessment__rubric__question",this).length;$("#peer-assessment--001__assessment__submit",ui.element).toggleClass("is--disabled",numChecked!=numAvailable)});sel.find("#peer-assessment--001__assessment__submit").click(function(eventObject){eventObject.preventDefault();ui.peerAssess()})}).fail(function(errMsg){ui.showLoadError("peer-assessment")})},renderContinuedPeerAssessmentStep:function(){var ui=this;this.server.renderContinuedPeer().done(function(html){$("#openassessment__peer-assessment",ui.element).replaceWith(html);var sel=$("#openassessment__peer-assessment",ui.element);ui.setUpCollapseExpand(sel);sel.find("#peer-assessment--001__assessment__submit").click(function(eventObject){eventObject.preventDefault();ui.continuedPeerAssess()});sel.find("#peer-assessment--001__assessment").change(function(){var numChecked=$("input[type=radio]:checked",this).length;var numAvailable=$(".field--radio.assessment__rubric__question",this).length;$("#peer-assessment--001__assessment__submit",ui.element).toggleClass("is--disabled",numChecked!=numAvailable)})}).fail(function(errMsg){ui.showLoadError("peer-assessment")})},renderSelfAssessmentStep:function(){var ui=this;this.server.render("self_assessment").done(function(html){$("#openassessment__self-assessment",ui.element).replaceWith(html);var sel=$("#openassessment__self-assessment",ui.element);ui.setUpCollapseExpand(sel);$("#self-assessment--001__assessment",ui.element).change(function(){var numChecked=$("input[type=radio]:checked",this).length;var numAvailable=$(".field--radio.assessment__rubric__question",this).length;$("#self-assessment--001__assessment__submit",ui.element).toggleClass("is--disabled",numChecked!=numAvailable)});sel.find("#self-assessment--001__assessment__submit").click(function(eventObject){eventObject.preventDefault();ui.selfAssess()})}).fail(function(errMsg){ui.showLoadError("self-assessment")})},renderGradeStep:function(){var ui=this;this.server.render("grade").done(function(html){$("#openassessment__grade",ui.element).replaceWith(html);var sel=$("#openassessment__grade",ui.element);ui.setUpCollapseExpand(sel);sel.find("#feedback__submit").click(function(eventObject){eventObject.preventDefault();ui.submitFeedbackOnAssessment()})}).fail(function(errMsg){ui.showLoadError("grade",errMsg)})},save:function(){var ui=this;var submission=$("#submission__answer__value",ui.element).val();ui.setSaveStatus("Saving...");ui.toggleActionError("save",null);ui.server.save(submission).done(function(){ui.setSaveStatus("Saved but not submitted")}).fail(function(errMsg){ui.setSaveStatus("Error");ui.toggleActionError("save",errMsg)})},setSaveStatus:function(msg){$("#response__save_status h3",this.element).html(msg)},submit:function(){var ui=this;var submission=$("#submission__answer__value",ui.element).val();ui.toggleActionError("response",null);ui.server.submit(submission).done(function(studentId,attemptNum){ui.renderSubmissionStep();ui.renderPeerAssessmentStep()}).fail(function(errCode,errMsg){ui.toggleActionError("submit",errMsg)})},submitFeedbackOnAssessment:function(){var ui=this;var text=$("#feedback__remarks__value",ui.element).val();var options=$.map($(".feedback__overall__value:checked",ui.element),function(element,index){return $(element).val()});ui.server.submitFeedbackOnAssessment(text,options).done(function(){}).fail(function(errMsg){ui.toggleActionError("feedback_assess",errMsg)})},peerAssess:function(){var ui=this;ui.peerAssessRequest(function(){ui.renderPeerAssessmentStep();ui.renderSelfAssessmentStep();ui.renderGradeStep();ui.scrollToTop()})},continuedPeerAssess:function(){var ui=this;ui.peerAssessRequest(function(){ui.renderContinuedPeerAssessmentStep();ui.renderGradeStep()})},peerAssessRequest:function(successFunction){var submissionId=$("span#peer_submission_uuid",this.element)[0].innerHTML.trim();var optionsSelected={};$("#peer-assessment--001__assessment input[type=radio]:checked",this.element).each(function(index,sel){optionsSelected[sel.name]=sel.value});var feedback=$("#assessment__rubric__question--feedback__value",this.element).val();var ui=this;this.toggleActionError("peer",null);this.server.peerAssess(submissionId,optionsSelected,feedback).done(successFunction).fail(function(errMsg){ui.toggleActionError("peer",errMsg)})},selfAssess:function(){var submissionId=$("span#self_submission_uuid",this.element)[0].innerHTML.trim();var optionsSelected={};$("#self-assessment--001__assessment input[type=radio]:checked",this.element).each(function(index,sel){optionsSelected[sel.name]=sel.value});var ui=this;this.toggleActionError("self",null);this.server.selfAssess(submissionId,optionsSelected).done(function(){ui.renderPeerAssessmentStep();ui.renderSelfAssessmentStep();ui.renderGradeStep();ui.scrollToTop()}).fail(function(errMsg){ui.toggleActionError("self",errMsg)})},toggleActionError:function(type,msg){var container=null;if(type=="save"){container=".response__submission__actions"}else if(type=="submit"){container=".step__actions"}else if(type=="peer"){container=".step__actions"}else if(type=="self"){container=".self-assessment__actions"}else if(type=="feedback_assess"){container=".submission__feedback__actions"}if(container===null){if(msg!==null){console.log(msg)}}else{var msgHtml=msg===null?"":msg;$(container+" .message__content").html("<p>"+msgHtml+"</p>");$(container).toggleClass("has--error",msg!==null)}},showLoadError:function(step){var container="#openassessment__"+step;$(container).toggleClass("has--error",true);$(container+" .step__status__value i").removeClass().addClass("ico icon-warning-sign");$(container+" .step__status__value .copy").html("Unable to Load")}};function OpenAssessmentBlock(runtime,element){$(function($){var server=new OpenAssessment.Server(runtime,element);var ui=new OpenAssessment.BaseUI(runtime,element,server);ui.load()})}if(typeof OpenAssessment=="undefined"||!OpenAssessment){OpenAssessment={}}OpenAssessment.StudioUI=function(runtime,element,server){this.runtime=runtime;this.server=server;this.codeBox=CodeMirror.fromTextArea($(element).find(".openassessment-editor").first().get(0),{mode:"xml",lineNumbers:true,lineWrapping:true});var ui=this;$(element).find(".openassessment-save-button").click(function(eventData){ui.save()});$(element).find(".openassessment-cancel-button").click(function(eventData){ui.cancel()})};OpenAssessment.StudioUI.prototype={load:function(){var ui=this;this.server.loadXml().done(function(xml){ui.codeBox.setValue(xml)}).fail(function(msg){ui.showError(msg)})},save:function(){var ui=this;this.server.checkReleased().done(function(isReleased){if(isReleased){ui.confirmPostReleaseUpdate($.proxy(ui.updateXml,ui))}else{ui.updateXml()}}).fail(function(errMsg){ui.showError(msg)})},confirmPostReleaseUpdate:function(onConfirm){var msg="This problem has already been released.  Any changes will apply only to future assessments.";if(confirm(msg)){onConfirm()}},updateXml:function(){this.runtime.notify("save",{state:"start"});var xml=this.codeBox.getValue();var ui=this;this.server.updateXml(xml).done(function(){ui.runtime.notify("save",{state:"end"});ui.load()}).fail(function(msg){ui.showError(msg)})},cancel:function(){this.runtime.notify("cancel",{})},showError:function(errorMsg){this.runtime.notify("error",{msg:errorMsg})}};function OpenAssessmentEditor(runtime,element){$(function($){var server=new OpenAssessment.Server(runtime,element);var ui=new OpenAssessment.StudioUI(runtime,element,server);ui.load()})}if(typeof OpenAssessment=="undefined"||!OpenAssessment){OpenAssessment={}}OpenAssessment.Server=function(runtime,element){this.runtime=runtime;this.element=element};OpenAssessment.Server.prototype={url:function(handler){return this.runtime.handlerUrl(this.element,handler)},get_max_input_size:function(){return 1024*64},render:function(component){var url=this.url("render_"+component);return $.Deferred(function(defer){$.ajax({url:url,type:"POST",dataType:"html"}).done(function(data){defer.resolveWith(this,[data])}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},renderContinuedPeer:function(){var url=this.url("render_peer_assessment");return $.Deferred(function(defer){$.ajax({url:url,type:"POST",dataType:"html",data:{continue_grading:true}}).done(function(data){defer.resolveWith(this,[data])}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},submit:function(submission){var url=this.url("submit");if(submission.length>this.get_max_input_size()){return $.Deferred(function(defer){defer.rejectWith(this,["submit","Text input too large."])}).promise()}return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:JSON.stringify({submission:submission})}).done(function(data){var success=data[0];if(success){var studentId=data[1];var attemptNum=data[2];defer.resolveWith(this,[studentId,attemptNum])}else{var errorNum=data[1];var errorMsg=data[2];defer.rejectWith(this,[errorNum,errorMsg])}}).fail(function(data){defer.rejectWith(this,["AJAX","Could not contact server."])})}).promise()},save:function(submission){var url=this.url("save_submission");if(submission.length>this.get_max_input_size()){return $.Deferred(function(defer){defer.rejectWith(this,["Text input too large."])}).promise()}return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:JSON.stringify({submission:submission})}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},submitFeedbackOnAssessment:function(text,options){var url=this.url("submit_feedback");if(text.length>this.get_max_input_size()){return $.Deferred(function(defer){defer.rejectWith(this,["Text input too large."])}).promise()}var payload=JSON.stringify({feedback_text:text,feedback_options:options});return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},peerAssess:function(submissionId,optionsSelected,feedback){var url=this.url("peer_assess");if(feedback.length>this.get_max_input_size()){return $.Deferred(function(defer){defer.rejectWith(this,["Text input too large."])}).promise()}var payload=JSON.stringify({submission_uuid:submissionId,options_selected:optionsSelected,feedback:feedback});return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},selfAssess:function(submissionId,optionsSelected){var url=this.url("self_assess");var payload=JSON.stringify({submission_uuid:submissionId,options_selected:optionsSelected});return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})})},loadXml:function(){var url=this.url("xml");return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:'""'}).done(function(data){if(data.success){defer.resolveWith(this,[data.xml])}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},updateXml:function(xml){var url=this.url("update_xml");var payload=JSON.stringify({xml:xml});return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolve()}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()},checkReleased:function(){var url=this.url("check_released");var payload='""';return $.Deferred(function(defer){$.ajax({type:"POST",url:url,data:payload}).done(function(data){if(data.success){defer.resolveWith(this,[data.is_released])}else{defer.rejectWith(this,[data.msg])}}).fail(function(data){defer.rejectWith(this,["Could not contact server."])})}).promise()}};
\ No newline at end of file

apps/openassessment/xblock/static/js/spec/oa_server.js

@@ -195,7 +195,8 @@ describe("OpenAssessment.Server", function() {
         var receivedErrorCode = "";
         var receivedErrorMsg = "";
         var test_string = '';
-        for (i = 0; i < (1024 * 1024 + 1); i++) { test_string += 'x'; }
+        var test_string_size = server.get_max_input_size() + 1;
+        for (i = 0; i < (test_string_size); i++) { test_string += 'x'; }
         server.submit(test_string).fail(
             function(errorCode, errorMsg) {
                 receivedErrorCode = errorCode;
@@ -225,7 +226,8 @@ describe("OpenAssessment.Server", function() {
     it("confirms that very long saves fail with an error without ajax", function() {
         var receivedErrorMsg = "";
         var test_string = '';
-        for (i = 0; i < (1024 * 1024 + 1); i++) { test_string += 'x'; }
+        var test_string_size = server.get_max_input_size() + 1;
+        for (i = 0; i < (test_string_size); i++) { test_string += 'x'; }
         server.save(test_string).fail(
             function(errorMsg) { receivedErrorMsg = errorMsg; }
         );
@@ -294,7 +296,8 @@ describe("OpenAssessment.Server", function() {
         var options = {clarity: "Very clear", precision: "Somewhat precise"};
         var receivedErrorMsg = "";
         var test_string = '';
-        for (i = 0; i < (1024 * 1024 + 1); i++) { test_string += 'x'; }
+        var test_string_size = server.get_max_input_size() + 1;
+        for (i = 0; i < (test_string_size); i++) { test_string += 'x'; }
         server.peerAssess("abc1234", options, test_string).fail(
             function(errorMsg) {
                 receivedErrorMsg = errorMsg;
@@ -354,7 +357,8 @@ describe("OpenAssessment.Server", function() {
         var options = ["Option 1", "Option 2"];
         var receivedErrorMsg = "";
         var test_string = '';
-        for (i = 0; i < (1024 * 1024 + 1); i++) { test_string += 'x'; }
+        var test_string_size = server.get_max_input_size() + 1;
+        for (i = 0; i < (test_string_size); i++) { test_string += 'x'; }
         server.submitFeedbackOnAssessment(test_string, options).fail(
             function(errorMsg) {
                 receivedErrorMsg = errorMsg;

apps/openassessment/xblock/static/js/src/oa_server.js

@@ -37,6 +37,13 @@ OpenAssessment.Server.prototype = {
         return this.runtime.handlerUrl(this.element, handler);
     },
 
+    /* 
+     * Get maximum size of input
+     */
+    get_max_input_size: function() {
+        return 1024 * 64;    /* 64KB should be enough for anybody, right? ;^P */
+    },
+
     /**
     Render the XBlock.
 
@@ -112,7 +119,7 @@ OpenAssessment.Server.prototype = {
     **/
     submit: function(submission) {
         var url = this.url('submit');
-        if (submission.length > 1024*256) {
+        if (submission.length > this.get_max_input_size()) {
             return $.Deferred(function(defer) {
                 defer.rejectWith(this, ["submit", "Text input too large."]);
             }).promise();
@@ -152,7 +159,7 @@ OpenAssessment.Server.prototype = {
     **/
     save: function(submission) {
         var url = this.url('save_submission');
-        if (submission.length > 1024*256) {
+        if (submission.length > this.get_max_input_size()) {
             return $.Deferred(function(defer) {
                 defer.rejectWith(this, ["Text input too large."]);
             }).promise();
@@ -192,7 +199,7 @@ OpenAssessment.Server.prototype = {
      */
      submitFeedbackOnAssessment: function(text, options) {
         var url = this.url('submit_feedback');
-        if (text.length > 1024*256) {
+        if (text.length > this.get_max_input_size()) {
             return $.Deferred(function(defer) {
                 defer.rejectWith(this, ["Text input too large."]);
             }).promise();
@@ -236,7 +243,7 @@ OpenAssessment.Server.prototype = {
     **/
     peerAssess: function(submissionId, optionsSelected, feedback) {
         var url = this.url('peer_assess');
-        if (feedback.length > 1024*256) {
+        if (feedback.length > this.get_max_input_size()) {
             return $.Deferred(function(defer) {
                 defer.rejectWith(this, ["Text input too large."]);
             }).promise();

apps/submissions/models.py

@@ -70,7 +70,7 @@ class Submission(models.Model):
     because it makes caching trivial.
 
     """
-    MAXSIZE = 1024*1024 # Used by validators to cap maximum answer size
+    MAXSIZE = 1024*100  # 100KB
 
     uuid = UUIDField(version=1, db_index=True)