define("core_courseformat/local/courseeditor/fileuploader",["exports","core/config","core/modal_save_cancel","core/modal_events","core/templates","core/normalise","core/prefetch","core/str","core_courseformat/courseeditor","core/process_monitor","core/utils"],(function(_exports,_config,_modal_save_cancel,_modal_events,_templates,_normalise,_prefetch,_str,_courseeditor,_process_monitor,_utils){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.uploadFilesToCourse=void 0,_config=_interopRequireDefault(_config),_modal_save_cancel=_interopRequireDefault(_modal_save_cancel),_modal_events=_interopRequireDefault(_modal_events),_templates=_interopRequireDefault(_templates);const UPLOADURL=_config.default.wwwroot+"/course/dndupload.php";let uploadQueue=null,handlerManagers={},courseUpdates=new Map,errors=null;(0,_prefetch.prefetchStrings)("moodle",["addresourceoractivity","upload"]),(0,_prefetch.prefetchStrings)("core_error",["dndmaxbytes","dndread","dndupload","dndunkownfile"]);class FileUploader{constructor(courseId,sectionId,sectionNum,fileInfo,handler){this.courseId=courseId,this.sectionId=sectionId,this.sectionNum=sectionNum,this.fileInfo=fileInfo,this.handler=handler}execute(process){const fileInfo=this.fileInfo,xhr=this._createXhrRequest(process),formData=this._createUploadFormData(),reader=new FileReader;reader.onload=function(){xhr.open("POST",UPLOADURL,!0),xhr.send(formData)},reader.onerror=function(){process.setError(errors.dndread)},fileInfo.size>0?reader.readAsText(fileInfo.slice(0,5)):reader.readAsText(fileInfo)}getExecutionFunction(){return this.execute.bind(this)}_createXhrRequest(process){const xhr=new XMLHttpRequest;return xhr.upload.addEventListener("progress",(event=>{if(event.lengthComputable){const percent=Math.round(100*event.loaded/event.total);process.setPercentage(percent)}}),!1),xhr.onreadystatechange=()=>{if(1==xhr.readyState&&process.setPercentage(1),4==xhr.readyState)if(200==xhr.status){var result=JSON.parse(xhr.responseText);result&&0==result.error?this._finishProcess(process):process.setError(result.error)}else process.setError(errors.dndupload)},xhr}_createUploadFormData(){const formData=new FormData;try{formData.append("repo_upload_file",this.fileInfo)}catch(error){throw Error(error.dndread)}return formData.append("sesskey",_config.default.sesskey),formData.append("course",this.courseId),formData.append("section",this.sectionNum),formData.append("module",this.handler.module),formData.append("type","Files"),formData}_finishProcess(process){!function(courseId,sectionId){let refresh=courseUpdates.get(courseId);refresh||(refresh=new Set);refresh.add(sectionId),courseUpdates.set(courseId,refresh),refreshCourseEditors()}(this.courseId,this.sectionId),process.setPercentage(100),process.finish()}}class HandlerManager{constructor(courseId){var _this$courseEditor$ge,_this$courseEditor$ge2;if(_defineProperty(this,"lastHandlers",{}),_defineProperty(this,"allHandlers",null),this.courseId=courseId,this.lastUploadId=0,this.courseEditor=(0,_courseeditor.getCourseEditor)(courseId),!this.courseEditor)throw Error("Unkown course editor");this.maxbytes=null!==(_this$courseEditor$ge=null===(_this$courseEditor$ge2=this.courseEditor.get("course"))||void 0===_this$courseEditor$ge2?void 0:_this$courseEditor$ge2.maxbytes)&&void 0!==_this$courseEditor$ge?_this$courseEditor$ge:0}async loadHandlers(){this.allHandlers=await this.courseEditor.getFileHandlersPromise()}getFileExtension(fileInfo){let extension="";const dotpos=fileInfo.name.lastIndexOf(".");return-1!=dotpos&&(extension=fileInfo.name.substring(dotpos+1,fileInfo.name.length).toLowerCase()),extension}validateFile(fileInfo){if(-1!==this.maxbytes&&fileInfo.size>this.maxbytes)throw Error(errors.dndmaxbytes)}filterHandlers(fileInfo){const extension=this.getFileExtension(fileInfo);return this.allHandlers.filter((handler=>"*"==handler.extension||handler.extension==extension))}async getFileHandler(fileInfo){const fileHandlers=this.filterHandlers(fileInfo);if(0==fileHandlers.length)throw Error(errors.dndunkownfile);let fileHandler=null;return fileHandler=1==fileHandlers.length?fileHandlers[0]:await this.askHandlerToUser(fileHandlers,fileInfo),fileHandler}async askHandlerToUser(fileHandlers,fileInfo){var _this$lastHandlers$ex;const extension=this.getFileExtension(fileInfo),modalParams={title:(0,_str.getString)("addresourceoractivity","moodle"),body:_templates.default.render("core_courseformat/fileuploader",this.getModalData(fileHandlers,fileInfo,null!==(_this$lastHandlers$ex=this.lastHandlers[extension])&&void 0!==_this$lastHandlers$ex?_this$lastHandlers$ex:null)),saveButtonText:(0,_str.getString)("upload","moodle")},modal=await this.modalBodyRenderedPromise(modalParams),selectedHandler=await this.modalUserAnswerPromise(modal,fileHandlers);return null===selectedHandler?null:(this.lastHandlers[extension]=selectedHandler.module,selectedHandler)}getModalData(fileHandlers,fileInfo,defaultModule){const data={filename:fileInfo.name,uploadid:++this.lastUploadId,handlers:[]};let hasDefault=!1;if(fileHandlers.forEach(((handler,index)=>{const isDefault=defaultModule==handler.module,optionNumber=index+1;data.handlers.push({...handler,selected:isDefault,labelid:"fileuploader_".concat(data.uploadid,"_").concat(optionNumber),value:index}),hasDefault=hasDefault||isDefault})),!hasDefault&&data.handlers.length>0){const lastHandler=data.handlers.pop();lastHandler.selected=!0,data.handlers.push(lastHandler)}return data}modalUserAnswerPromise(modal,fileHandlers){const modalBody=(0,_normalise.getFirst)(modal.getBody());return new Promise(((resolve,reject)=>{modal.getRoot().on(_modal_events.default.save,(event=>{const index=modalBody.querySelector("input:checked").value;event.preventDefault(),modal.destroy(),fileHandlers[index]||reject("Invalid handler selected"),resolve(fileHandlers[index])})),modal.getRoot().on(_modal_events.default.cancel,(()=>{resolve(null)}))}))}modalBodyRenderedPromise(modalParams){return new Promise(((resolve,reject)=>{_modal_save_cancel.default.create(modalParams).then((modal=>{modal.setRemoveOnClose(!0),modal.getRoot().on(_modal_events.default.bodyRendered,(()=>{resolve(modal)})),void 0!==modalParams.saveButtonText&&modal.setSaveButtonText(modalParams.saveButtonText),modal.show()})).catch((()=>{reject("Cannot load modal content")}))}))}}const refreshCourseEditors=(0,_utils.debounce)((()=>{const refreshes=courseUpdates;courseUpdates=new Map,refreshes.forEach(((sectionIds,courseId)=>{const courseEditor=(0,_courseeditor.getCourseEditor)(courseId);courseEditor&&courseEditor.dispatch("sectionState",[...sectionIds])}))}),500);const queueFileUpload=async function(courseId,sectionId,sectionNum,fileInfo,handlerManager){let handler;uploadQueue=await _process_monitor.processMonitor.createProcessQueue();try{handlerManager.validateFile(fileInfo),handler=await handlerManager.getFileHandler(fileInfo)}catch(error){return void uploadQueue.addError(fileInfo.name,error.message)}if(!handler)return;const fileProcessor=new FileUploader(courseId,sectionId,sectionNum,fileInfo,handler);uploadQueue.addPending(fileInfo.name,fileProcessor.getExecutionFunction())};_exports.uploadFilesToCourse=async function(courseId,sectionId,sectionNum,files){const handlerManager=await async function(courseId){if(void 0!==handlerManagers[courseId])return handlerManagers[courseId];const handlerManager=new HandlerManager(courseId);return await handlerManager.loadHandlers(),handlerManagers[courseId]=handlerManager,handlerManagers[courseId]}(courseId);await async function(courseId){var _courseEditor$get$max,_courseEditor$get;if(null!==errors)return;const maxbytestext=null!==(_courseEditor$get$max=null===(_courseEditor$get=(0,_courseeditor.getCourseEditor)(courseId).get("course"))||void 0===_courseEditor$get?void 0:_courseEditor$get.maxbytestext)&&void 0!==_courseEditor$get$max?_courseEditor$get$max:"0";errors={};const allStrings=[{key:"dndmaxbytes",component:"core_error",param:{size:maxbytestext}},{key:"dndread",component:"core_error"},{key:"dndupload",component:"core_error"},{key:"dndunkownfile",component:"core_error"}],loadedStrings=await(0,_str.getStrings)(allStrings);allStrings.forEach(((_ref,index)=>{let{key:key}=_ref;errors[key]=loadedStrings[index]}))}(courseId);for(let index=0;index<files.length;index++){const fileInfo=files[index];await queueFileUpload(courseId,sectionId,sectionNum,fileInfo,handlerManager)}}}));

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