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app.R
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# developed in r version 4.2.2
# STARTUP -----------------------------------------------------------------
rm(list = ls())
cat("\f")
gc()
# DOCKER_WORKER ------------------------------------------------------------------
DOCKER_WORKER = !file.exists("./worker.R")
# PACKAGES ----------------------------------------------------------------
library(shiny) # shiny_1.8.0
library(shinyjs) # shinyjs_2.1.0
library(shinyWidgets) # shinyWidgets_0.8.0
library(shinycssloaders) #shinycssloaders_1.0.0
library(shinyauthr) # shinyauthr_1.0.0
library(sodium) # sodium_1.3.1
library(RSQLite) # RSQLite_2.3.6
library(DBI) # DBI_1.2.3
# CONNECTION --------------------------------------------------------------
options(shiny.host = "0.0.0.0")
options(shiny.port = 3838)
# RESOURCES ---------------------------------------------------------------
shiny::addResourcePath("www", "./www")
# SOURCE ------------------------------------------------------------------
source("./source/main/filesAndDirectories.R")
source("./source/main/customElements.R")
source("./source/shared/rToJson.R")
source("./source/shared/log.R")
source("./source/main/appStatus.R")
source("./source/main/database.R")
source("./source/main/permission.R")
source("./source/main/processingResponses.R")
source("./source/main/progressMonitoring.R")
if(!DOCKER_WORKER)
source("./worker.R")
# FUNCTIONS ----------------------------------------------------------------
prepareExerciseDownloadFiles = function(session, exercises){
dir = getDir(session)
exercises$exerciseNames = as.list(make.unique(unlist(exercises$exerciseNames), sep="_"))
exerciseFiles = unlist(lapply(setNames(seq_along(exercises$exerciseNames), exercises$exerciseNames), function(i){
file = paste0(dir, "/", exercises$exerciseNames[[i]], ".", exercises$exerciseExts[[i]])
writeLines(text=gsub("\r\n", "\n", exercises$exerciseCodes[[i]]), con=file)
return(file)
}))
return(list(exerciseFiles=exerciseFiles))
}
# PARAMETERS --------------------------------------------------------------
# REXAMS ------------------------------------------------------------------
cores = NULL
if (Sys.info()["sysname"] == "Linux")
cores = parallel::detectCores()
edirName = "exercises"
maxChoices = 5
exerciseMin = 1
exerciseMax = 45
seedMin = 1
seedMax = 999999999 #xxxxsssee x = random number, s = scrambling id, e = exercise id
initSeed = 1
languages = c("en",
"de")
# languages = c("en",
# "hr",
# "da",
# "nl",
# "fi",
# "fr",
# "de",
# "hu",
# "it",
# "ja",
# "ko",
# "no",
# "pt",
# "ro",
# "ru",
# "sr",
# "sk",
# "sl",
# "es",
# "tr")
rules = list("1/nwrong"="false", "1/max(nwrong, 2)"="false2", "1/ncorrect"="true", "1"="all", "0"="none")
# USER --------------------------------------------------------------------
USERNAME = ""
# ADDONS ------------------------------------------------------------------
addons_path = "./addons/"
addons_path_www = "./www/addons/"
addons = list.files(addons_path_www, recursive = TRUE)
addons = unique(Reduce(c, lapply(addons[grepl("/", addons)], \(x) strsplit(x, split="/")[[1]][1])))
invisible(lapply(addons, \(addon) {
source(paste0(addons_path_www, addons, "/main/", addons, "_main.R"))
}))
# LOG ------------------------------------------------------
log_(content="INIT", append=FALSE)
# UI -----------------------------------------------------------------
ui = htmlTemplate(
filename = "index.html"
)
# SERVER -----------------------------------------------------------------
server = function(input, output, session) {
# AUTH --------------------------------------------------------------------
credentials = Myloginserver(
id = "login",
id_col = "id",
pw_col = "pw",
table = "user",
log_out = reactive(logout_init()),
reload_on_logout = TRUE,
sodium_hashed = TRUE
)
# Logout to hide
logout_init = shinyauthr::logoutServer(
id = "logout",
active = reactive(credentials()$user_auth)
)
eventReactive
output$rexApp = renderUI({
req(credentials()$user_auth)
USERNAME <<- credentials()$info[1]
log_(content="Successful login.", USERNAME, sessionToken=session$token)
# STARTUP -------------------------------------------------------------
unlink(getDir(session), recursive = TRUE)
dir.create(getDir(session))
removeRuntimeFiles(session)
initSeed <<- floor(runif(1, min=1000, max=9999))
# LOAD APP ----------------------------------------------------------------
fluidPage(
htmlTemplate(
filename = "app.html",
# PROFILE MANAGER
userProfileButton = myUserProfileButton(),
userProfileInterface = myUserProfileInterface(),
userLogoutButton = myUserLogoutButton(),
# EXERCISES
textInput_seedValueExercises = textInput("seedValueExercises", label = NULL, value = initSeed),
button_downloadExercises = myDownloadButton(id='downloadExercises', deText="Alle speichern", enText="Save all"),
button_downloadExercise = myDownloadButton(id='downloadExercise'),
exerciseFigureFileImport = myFileImport("exerciseFigure", "exerciseFigure"),
# EXAM CREATE
dateInput_examDate = dateInput("examDate", label = NULL, value = NULL, format = "yyyy-mm-dd"),
textInput_seedValueExam = textInput("seedValueExam", label = NULL, value = initSeed),
textInput_numberOfExams = textInput("numberOfExams", label = NULL, value = 1),
textInput_numberOfExercises = textInput("numberOfExercises", label = NULL, value = 0),
checkboxInput_fixSequence = checkboxInput("fixSequence", label = NULL, value = FALSE),
textInput_fixedPointsExamCreate = textInput("fixedPointsExamCreate", label = NULL, value = NULL),
selectInput_examRegLength = selectInput("examRegLength", label = NULL, choices = 1:10, selected = 8, multiple = FALSE),
checkboxInput_showPoints = checkboxInput("showPoints", label = NULL, value = TRUE),
checkboxInput_duplex = checkboxInput("duplex", label = NULL, value = TRUE),
checkboxInput_replacement = checkboxInput("replacement", label = NULL, value = NULL),
checkboxInput_samepage = checkboxInput("samepage", label = NULL, value = TRUE),
checkboxInput_newpage = checkboxInput("newpage", label = NULL, value = NULL),
selectInput_examLanguage = selectInput("examLanguage", label = NULL, choices = languages, selected = "de", multiple = FALSE),
textInput_examInstitution = textInput("examInstitution", label = NULL, value = NULL),
textInput_examTitle = textInput("examTitle", label = NULL, value = NULL),
textInput_examCourse = textInput("examCourse", label = NULL, value = NULL),
textInput_examIntro = textAreaInput("examIntro", label = NULL, value = NULL),
textInput_numberOfBlanks = textInput("numberOfBlanks", label = NULL, value = 5),
additionalPdfFileImport = myFileImport("additionalPdf", "additionalPdf"),
examLogoFileImport = myFileImport("examLogo", "examLogo"),
# EXAM EVALUATE
textInput_fixedPointsExamEvaluate = textInput("fixedPointsExamEvaluate", label = NULL, value = NULL),
selectInput_evaluateReglength = selectInput("evaluationRegLength", label = NULL, choices = 1:10, selected = 8, multiple = FALSE),
checkboxInput_partialPoints = checkboxInput("partialPoints", label = NULL, value = TRUE),
checkboxInput_negativePoints = checkboxInput("negativePoints", label = NULL, value = NULL),
selectInput_rule = selectInput("rule", label = NULL, choices = rules, selected = NULL, multiple = FALSE),
checkboxInput_mark = checkboxInput("mark", label = NULL, value = TRUE),
gradingKey = myGradingKey(5),
selectInput_evaluationLanguage = selectInput("evaluationLanguage", label = NULL, choices = languages, selected = "de", multiple = FALSE),
checkboxInput_rotateScans = checkboxInput("rotateScans", label = NULL, value = TRUE),
examSolutionsFileImport = myFileImport("examSolutions", "examSolutions"),
examRegisteredParticipantsFileImport = myFileImport("examRegisteredParticipants", "examRegisteredParticipants"),
examScansFileImport = myFileImport("examScans", "examScans"),
# ADDON CONTENT
addonSidebarListItems = lapply(addons, \(addon) {
htmlTemplate(filename = paste0(addons_path_www, addon, "/main/", addon, "_sidebarListItem.html"))
}),
addonContentTabs = lapply(addons, \(addon) {
htmlTemplate(filename = paste0(addons_path_www, addon, "/main/", addon, "_contentTab.html"), init=get(paste0(addon, "_fields")))
})
),
# SCRIPTS
tags$script(src="www/script.js"),
tags$script(src="www/rnwTemplate.js"),
# ADDON SCRIPTS
lapply(addons, \(addon) {
tags$script(src=paste0(addons_path_www, addon, "/main/", addon, "_script.js"), defer=TRUE)
}),
# ADDON STYLESHEET
lapply(addons, \(addon) {
tags$link(rel="stylesheet", type="text/css", href=paste0(addons_path_www, addon, "/main/", addon, "_style.css"))
}),
)
})
# CLEANUP -------------------------------------------------------------
onStop(function() {
unlink(getDir(session), recursive = TRUE)
log_(content="Session closed.", USERNAME, sessionToken=session$token)
})
# HEARTBEAT -------------------------------------------------------------
initialState = TRUE
initialStateJS = TRUE
observe({
invalidateLater(1000 * 5, session)
if(!initialState)
session$sendCustomMessage("heartbeat", 1) # ping
initialState <<- FALSE
})
observeEvent(input$pong, {
cat("")
if(initialStateJS){
# SET DEFAULTS
myFileData(session = session, path = "./www/", name = "logo_rex_bw", ext = "png", "setExamLogo")
# ADDON DEFAULTS
lapply(addons, \(addon) {
do.call(paste0(addon, "_defaults"), args=list(session=session))
})
}
initialStateJS <<- FALSE
})
# USER --------------------------------------------------------------------
observeEvent(input$`profile-button`, {
session$sendCustomMessage("setCurrentUser", credentials()$info$id)
})
observeEvent(input$`change-password-button`, {
checkPm = checkPermission("P1000", credentials()$info$pm)
if(!checkPm$hasPermission){
session$sendCustomMessage("errorUpdateUserProfile", getNoPermissionMessage(checkPm$code, checkPm$response))
return(NULL)
}
changePassword(session, credentials()$info, input$`current-login-password`, input$`new-login-password1`, input$`new-login-password2`)
})
# EXPORT SINGLE EXERCISE ------------------------------------------------------
output$downloadExercise = downloadHandler(
filename = function() {
paste0(isolate(input$exerciseToDownload$exerciseName), ".", input$exerciseToDownload$exerciseExt)
},
content = function(fname) {
writeLines(text=gsub("\r\n", "\n", isolate(input$exerciseToDownload$exerciseCode)), con=fname)
removeRuntimeFiles(session)
},
contentType = paste0("text/", input$exerciseToDownload$exerciseExt),
)
# EXPORT ALL EXERCISES ------------------------------------------------------
output$downloadExercises = downloadHandler(
filename = "exercises.zip",
content = function(fname) {
result = prepareExerciseDownloadFiles(session, isolate(input$exercisesToDownload))
exerciseFiles = unlist(result$exerciseFiles, recursive = TRUE)
zip(zipfile=fname, files=exerciseFiles, flags='-r9Xj')
removeRuntimeFiles(session)
},
contentType = "application/zip",
)
# PARSE EXERCISE ------------------------------------------------------
# PARAMETERS ---------------------------------------------------------------
parseExercise_req = paste0(getDir(session), "/parseExercise_req.rds")
parseExercise_log = paste0(getDir(session), "/parseExercise_log.txt")
parseExercise_res = paste0(getDir(session), "/parseExercise_res.txt")
parseExercise_fin = paste0(getDir(session), "/parseExercise_fin.txt")
parseExercise_req_content = list()
parseExercise_logHistory = c()
parseExerciseProgressData = list(totalExercises = NULL,
previousProgress = 0,
progress = 0)
# CALL ---------------------------------------------------------------
exerciseParsing = eventReactive(input$parseExercise, {
checkPm = checkPermission("P1001", credentials()$info$pm)
if(!checkPm$hasPermission){
session$sendCustomMessage("removeAllExercises", 1)
session$sendCustomMessage("errorNoPermission", getNoPermissionMessage(checkPm$code, checkPm$response, FALSE))
return(0)
}
if(length(parseExercise_req_content) == 0) {
session$sendCustomMessage("changeTabTitle", 3)
startWait(session)
initProrgress(session)
log_(content="Parsing exercise.", USERNAME, sessionToken=session$token)
}
# write exercise file
file = tempfile(fileext = paste0(".", input$parseExercise$exerciseExt), tmpdir = getDir(session))
file = gsub("\\", "/", file, fixed=TRUE)
writeChar(input$parseExercise$exerciseCode, con=file, nchars=nchar(input$parseExercise$exerciseCode), eos=NULL)
# request content
parseExercise_req_content <<- append(parseExercise_req_content,
list(list(progress=as.numeric(input$parseExercise$progress),
id=as.numeric(input$parseExercise$exerciseID),
file=tail(strsplit(file, split="/")[[1]], 1),
seed=as.numeric(input$seedValueExercises))))
if(input$parseExercise$progress == 1) {
parseExercise_req_content <<- append(list(dir=getDir(session)), list(exercises=parseExercise_req_content))
saveRDS(parseExercise_req_content, parseExercise_req)
}
return(input$parseExercise$progress)
})
# PROCESSING ---------------------------------------------------------------
observe({
if(exerciseParsing() != 1)
return(0)
if (is.na(file.mtime(parseExercise_fin))) {
invalidateLater(millis = 100, session = session)
logData = processLogFile(parseExercise_log, parseExercise_logHistory)
parseExercise_logHistory <<- logData$history
parseExerciseProgressData <<- monitorProgressExerciseParse(session, logData$out, parseExerciseProgressData)
if(!DOCKER_WORKER)
checkWorkerRequests()
} else {
if(!DOCKER_WORKER)
readOutput()
logData = processLogFile(parseExercise_log, parseExercise_logHistory)
parseExercise_logHistory <<- logData$history
parseExerciseProgressData <<- monitorProgressExerciseParse(session, logData$out, parseExerciseProgressData)
# process results
result = readLines(parseExercise_res)
items = 20
exercises = floor(length(result) / items)
messageType = c()
lapply(0:(exercises - 1), \(x){
result = setNames(as.list(result[1:items + items * x]),
c("id",
"messageType",
"statusMessage",
"statusCode",
"author",
"exExtra",
"points",
"type",
"tags",
"section",
"seed",
"question",
"question_raw",
"figure",
"editable",
"choices",
"choices_raw",
"solutions",
"solutionNotes",
"solutionNotes_raw"))
error = grepl("E\\d{4}", result$statusCode)
messageType <<- max(messageType, as.numeric(result$messageType))
examParseResponse(session, result, error)
})
session$sendCustomMessage("changeTabTitle", as.numeric(messageType))
# wrap up
finalizeProgress(session)
parseExercise_req_content <<- list()
parseExercise_logHistory <<- c()
parseExerciseProgressData <<- list(totalExercises = NULL,
previousProgress = 0,
progress = 0)
stopWait(session)
session$sendCustomMessage("changeTabTitle", "reset")
log_(content="Exercise parsed.", USERNAME, sessionToken=session$token)
}
})
# CREATE EXAM -------------------------------------------------------------
# PARAMETERS ---------------------------------------------------------------
createExam_req = paste0(getDir(session), "/createExam_req.rds")
createExam_log = paste0(getDir(session), "/createExam_log.txt")
createExam_res = paste0(getDir(session), "/createExam_res.txt")
createExam_fin = paste0(getDir(session), "/createExam_fin.txt")
createExam_req_content = list()
createExam_logHistory = c()
createExamProgressData = list(totalExams = NULL,
previousProgress = 0,
progress = 0)
examFiles = reactiveVal()
# CALL ---------------------------------------------------------------
examCreation = eventReactive(input$createExam, {
checkPm = checkPermission("P1002", credentials()$info$pm)
if(!checkPm$hasPermission){
session$sendCustomMessage("errorNoPermission", getNoPermissionMessage(checkPm$code, checkPm$response, FALSE))
return(0)
}
if(length(createExam_req_content) == 0) {
session$sendCustomMessage("changeTabTitle", 3)
startWait(session)
initProrgress(session)
log_(content="Creating exam.", USERNAME, sessionToken=session$token)
}
exam = input$createExam
dir = getDir(session)
edir = paste0(dir, "/", edirName)
# write exercise files
exerciseFiles = c()
if(length(exam$exerciseNames) > 0) {
dir.create(file.path(edir), showWarnings = TRUE)
exam$exerciseNames = as.list(make.unique(unlist(exam$exerciseNames), sep="_"))
exerciseFiles = unname(unlist(lapply(setNames(seq_along(exam$exerciseNames), exam$exerciseNames), function(i){
file = paste0(edir, "/", exam$exerciseNames[[i]], ".", exam$exerciseExts[[i]])
writeLines(text=gsub("\r\n", "\n", exam$exerciseCodes[[i]]), con=file, sep="")
return(file)
})))
}
# write additional pdf files
additionalPdfFiles = c()
if(length(exam$additionalPdfNames) > 0) {
exam$additionalPdfNames = as.list(make.unique(unlist(exam$additionalPdfNames), sep="_"))
additionalPdfFiles = unname(unlist(lapply(setNames(seq_along(exam$additionalPdfNames), exam$additionalPdfNames), function(i){
file = paste0(dir, "/", exam$additionalPdfNames[[i]], ".pdf")
raw = openssl::base64_decode(exam$additionalPdfFiles[[i]])
writeBin(raw, con = file)
return(file)
})))
}
# write exam logo file
examLogoFile = c()
if(length(exam$examLogoName) == 1) {
examLogoFile = unlist(lapply(seq_along(exam$examLogoName), function(i){
file = paste0(dir, "/", exam$examLogoName[[i]], ".png")
raw = openssl::base64_decode(exam$examLogoFile[[i]])
writeBin(raw, con = file)
return(file)
}))
}
# request content
createExam_req_content <<- list(dir=dir,
edir=edir,
exerciseMin=exerciseMin,
exerciseMax=exerciseMax,
seedMin=seedMin,
seedMax=seedMax,
exerciseTypes=unlist(exam$exerciseTypes),
blocks=unlist(exam$blocks),
seedValueExam=as.numeric(input$seedValueExam),
numberOfExercises=as.numeric(input$numberOfExercises),
numberOfExams=as.numeric(input$numberOfExams),
examTitle=input$examTitle,
examCourse=input$examCourse,
fixedPointsExamCreate=as.numeric(input$fixedPointsExamCreate),
examRegLength=as.numeric(input$examRegLength),
fixSequence=input$fixSequence,
examLanguage=input$examLanguage,
examInstitution=input$examInstitution,
examDate=input$examDate,
numberOfBlanks=input$numberOfBlanks,
duplex=input$duplex,
showPoints=input$showPoints,
examIntro=input$examIntro,
replacement=input$replacement,
samepage=input$samepage,
newpage=input$newpage,
exerciseFiles=exerciseFiles,
additionalPdfFiles=additionalPdfFiles,
examLogoFile=examLogoFile)
saveRDS(createExam_req_content, createExam_req)
return(1)
})
# PROCESSING ---------------------------------------------------------------
observe({
if(examCreation() != 1)
return(0)
if (is.na(file.mtime(createExam_fin))) {
invalidateLater(millis = 100, session = session)
logData = processLogFile(createExam_log, createExam_logHistory)
createExam_logHistory <<- logData$history
createExamProgressData <<- monitorProgressExamCreate(session, logData$out, createExamProgressData)
if(!DOCKER_WORKER)
checkWorkerRequests()
} else {
if(!DOCKER_WORKER)
readOutput()
logData = processLogFile(createExam_log, createExam_logHistory)
createExam_logHistory <<- logData$history
createExamProgressData <<- monitorProgressExamCreate(session, logData$out, createExamProgressData)
# process results
result = readLines(createExam_res)
messageType = unlist(result[1])
message = unlist(result[2])
if(messageType != "2"){
examFiles(result[-c(1:2)])
} else{
examFiles(NULL)
}
examCreationResponse(session, messageType, message, length(isolate(examFiles())) > 0)
session$sendCustomMessage("changeTabTitle", as.numeric(messageType))
# wrap up
finalizeProgress(session)
createExam_req_content <<- c()
createExam_logHistory <<- c()
createExamProgressData <<- list(totalExams = NULL,
previousProgress = 0,
progress = 0)
log_(content="Exam created.", USERNAME, sessionToken=session$token)
}
})
# ADDITIONAL HANDLERS -----------------------------------------------------
# download exam files
output$downloadExamFiles = downloadHandler(
filename = "exam.zip",
content = function(fname) {
# zip(zipfile=fname, files=isolate(examFiles()), flags='-r9XjFS')
zip(zipfile=fname, files=isolate(examFiles()), flags='-r9Xj')
},
contentType = "application/zip"
)
# modal close
observeEvent(input$dismiss_examCreationResponse, {
removeModal()
stopWait(session)
session$sendCustomMessage("changeTabTitle", "reset")
})
# EVALUATE EXAM -------------------------------------------------------------
# add / remove grading key item
observeEvent(input$addGradingKeyitem, {
gradingKeyItemID = isolate(input$addGradingKeyitem)
newGradingKeyItem = myGradingkeyItem(gradingKeyItemID)
insertUI(selector='#gradingKey tbody', where = "beforeEnd", ui=HTML(newGradingKeyItem), immediate = TRUE)
session$sendCustomMessage("f_langDeEn", 1)
})
observeEvent(input$removeGradingKeyItem, {
gradingKeyItem = isolate(input$removeGradingKeyItem)
removeUI(selector=gradingKeyItem, immediate = TRUE)
session$sendCustomMessage("f_langDeEn", 1)
})
# EVALUATE EXAM SCANS -----------------------------------------------------
# PARAMETERS ---------------------------------------------------------------
evaluateExamScans_req = paste0(getDir(session), "/evaluateExamScans_req.rds")
evaluateExamScans_log = paste0(getDir(session), "/evaluateExamScans_log.txt")
evaluateExamScans_res = paste0(getDir(session), "/evaluateExamScans_res.txt")
evaluateExamScans_fin = paste0(getDir(session), "/evaluateExamScans_fin.txt")
evaluateExamScans_req_content = list()
evaluateExamScans_logHistory = c()
evaluateExamScansProgressData = list(totalPdfLength = NULL,
totalPngLength = NULL,
previousProgress = 0,
progress = 0)
examScanEvaluationData = reactiveVal()
# CALL --------------------------------------------------------------------
examScanEvaluation = eventReactive(input$evaluateExam, {
checkPm = checkPermission("P1003", credentials()$info$pm)
if(!checkPm$hasPermission){
session$sendCustomMessage("errorNoPermission", getNoPermissionMessage(checkPm$code, checkPm$response, FALSE))
return(0)
}
if(length(evaluateExamScans_req_content) == 0) {
session$sendCustomMessage("changeTabTitle", 3)
startWait(session)
initProrgress(session)
log_(content="Evaluating exam scans.", USERNAME, sessionToken=session$token)
}
exam = input$evaluateExam
dir = getDir(session)
# write solutions file
exam$examSolutionsName = unlist(exam$examSolutionsName)[1]
solutionFile = unlist(lapply(seq_along(exam$examSolutionsName), function(i){
file = paste0(dir, "/", exam$examSolutionsName[[i]], ".rds")
raw = openssl::base64_decode(exam$examSolutionsFile[[i]])
writeBin(raw, con = file)
return(file)
}))
# write scan files
pngFiles = NULL
pdfFiles = NULL
totalPdfLength = 0
totalPngLength = length(exam$examScanPngNames)
if(length(exam$examScanPdfNames) > 0){
exam$examScanPdfNames = as.list(make.unique(unlist(exam$examScanPdfNames), sep="_"))
pdfFiles = unlist(lapply(setNames(seq_along(exam$examScanPdfNames), exam$examScanPdfNames), function(i){
file = paste0(dir, "/", exam$examScanPdfNames[[i]], ".pdf")
raw = openssl::base64_decode(exam$examScanPdfFiles[[i]])
writeBin(raw, con = file)
totalPdfLength <<- totalPdfLength + qpdf::pdf_length(file)
return(file)
}))
}
if(length(exam$examScanPngNames) > 0){
exam$examScanPngNames = as.list(make.unique(exam$examScanPngNames, sep="_"))
pngFiles = unlist(lapply(seq_along(exam$examScanPngNames), function(i){
file = paste0(dir, "/", exam$examScanPngNames[[i]], ".png")
raw = openssl::base64_decode(exam$examScanPngFiles[[i]])
writeBin(raw, con = file)
return(file)
}))
}
scanFiles = c(pdfFiles, pngFiles)
# write registered participants file
registeredParticipantsFile = NULL
dummyParticipants = FALSE
exam$examRegisteredParticipantsnName = unlist(exam$examRegisteredParticipantsnName)[1]
if(is.null(exam$examRegisteredParticipantsnName)){
file = paste0(dir, "/", "dummyParticipants.csv")
content = rep(1:(totalPdfLength + totalPngLength))
content = sprintf(paste0("%0", max(input$evaluationRegLength, 7), "d"), as.numeric(content))
content = data.frame(registration=content,
name=content,
id=content)
write.csv2(content, file, row.names = FALSE, quote = FALSE)
registeredParticipantsFile = file
dummyParticipants = TRUE
} else {
registeredParticipantsFile = unlist(lapply(seq_along(exam$examRegisteredParticipantsnName), function(i){
file = paste0(dir, "/", exam$examRegisteredParticipantsnName[[i]], ".csv")
content = gsub("\r\n", "\n", exam$examRegisteredParticipantsnFile[[i]])
content = gsub(",", ";", content)
content = read.table(text=content, sep=";", header = TRUE)
idRegMatch = FALSE
if(all(content$id==content$registration))
idRegMatch = TRUE
content$registration = sapply(strsplit(as.character(content$registration), split=""), function(x){
x = paste0(x[1:(min(input$evaluationRegLength, length(x)))], collapse="")
x = sprintf(paste0("%0", max(input$evaluationRegLength, 7), "d"), as.numeric(x))
return(x)
})
if(idRegMatch)
content$id = content$registration
write.csv2(content, file, row.names = FALSE, quote = FALSE)
return(file)
}))
}
# get mark and mark label input fields
markThresholdsInputIds = paste0("markThreshold", 1:length(which(grepl("markThreshold", names(input)))))
markLabelsInputIds = paste0("markLabel", 1:length(which(grepl("markLabel", names(input)))))
marks = as.numeric(isolate(reactiveValuesToList(input))[markThresholdsInputIds])
labels = unlist(isolate(reactiveValuesToList(input))[markLabelsInputIds])
# request content
evaluateExamScans_req_content <<- list(dir=dir,
edirName=edirName,
totalPdfLength=totalPdfLength,
totalPngLength=totalPngLength,
scanFiles=scanFiles,
registeredParticipantsFile=registeredParticipantsFile,
dummyParticipants=dummyParticipants,
solutionFile=solutionFile,
examName=exam$examSolutionsName,
rotate=input$rotateScans,
regLength=input$evaluationRegLength,
points=input$fixedPointsExamEvaluate,
partial=input$partialPoints,
negative=input$negativePoints,
rule=input$rule,
mark=input$mark,
marks=marks,
labels=labels,
language=input$evaluationLanguage,
cores=cores,
maxChoices=maxChoices)
saveRDS(evaluateExamScans_req_content, evaluateExamScans_req)
return(1)
})
# PROCESSING --------------------------------------------------------------
observe({
if(examScanEvaluation() != 1)
return(0)
if (is.na(file.mtime(evaluateExamScans_fin))) {
invalidateLater(millis = 100, session = session)
logData = processLogFile(evaluateExamScans_log, evaluateExamScans_logHistory)
evaluateExamScans_logHistory <<- logData$history
evaluateExamScansProgressData <<- monitorProgressExamScanEvaluation(session, logData$out, evaluateExamScansProgressData)
if(!DOCKER_WORKER)
checkWorkerRequests()
} else {
if(!DOCKER_WORKER)
readOutput()
logData = processLogFile(evaluateExamScans_log, evaluateExamScans_logHistory)
evaluateExamScans_logHistory <<- logData$history
evaluateExamScansProgressData <<- monitorProgressExamScanEvaluation(session, logData$out, evaluateExamScansProgressData)
# process results
result = as.list(readLines(evaluateExamScans_res))
messageType = unlist(result[1])
message = unlist(result[2])
if(messageType != "2"){
names(result) = c("messageType", "message", "examIds", "examName", "numExercises", "numChoices", "totalPdfLength", "totalPngLength", "scanFileZipName",
"dir", "edirName", "cores", "rotate", "points", "regLength", "partial", "negative", "rule", "mark", "labels", "language",
"solution", "registeredParticipants", "scans", "scanEvaluation", "scans_reg_fullJoin", "examCodeFile")
result = lapply(setNames(result, names(result)), function(x) strsplit(x, ";")[[1]])
result = with(result, {
data = list(messageType=unlist(messageType),
message=unlist(message),
preparedEvaluation=list(meta=list(examIds=examIds, examName=examName, numExercises=as.numeric(numExercises), numChoices=as.numeric(numChoices), totalPdfLength=as.numeric(totalPdfLength), totalPngLength=as.numeric(totalPngLength), scanFileZipName=scanFileZipName),
fields=list(dir=dir, edirName=edirName, cores=as.numeric(cores), rotate=as.logical(rotate), points=switch((length(points)==0)+1,as.numeric(points),NULL), regLength=as.numeric(regLength), partial=as.logical(partial), negative=as.logical(negative), rule=rule, mark=ifelse(mark=="FALSE",FALSE,as.numeric(mark)), labels=labels, language=language),
files=list(solution=solution, registeredParticipants=registeredParticipants, scans=scans, scanEvaluation=scanEvaluation, scans_reg_fullJoin=scans_reg_fullJoin, examCodeFile=examCodeFile)),
scans_reg_fullJoinData=read.csv2(file=result$scans_reg_fullJoin, check.names = FALSE, colClasses = "character")
)
return(data)
})
examScanEvaluationData(result)
} else{
result = list(messageType=messageType,
message=message,
scans_reg_fullJoinData=NULL)
}
evaluateExamScansResponse(session, result)
session$sendCustomMessage("changeTabTitle", as.numeric(messageType))
# wrap up
finalizeProgress(session)
evaluateExamScans_req_content <<- list()
evaluateExamScans_logHistory <<- c()
evaluateExamScansProgressData <<- list(totalPdfLength = NULL,
totalPngLength = NULL,
previousProgress = 0,
progress = 0)
log_(content="Exam scans evaluated.", USERNAME, sessionToken=session$token)
}
})
# ADDITIONAL HANDLERS -----------------------------------------------------
# modal close
observeEvent(input$dismiss_evaluateExamScansResponse, {
removeModal()
stopWait(session)
session$sendCustomMessage("changeTabTitle", "reset")
})
# EVALUATE EXAM FINALIZE --------------------------------------------------
# PARAMETERS ---------------------------------------------------------------
evaluateExamFinalize_req = paste0(getDir(session), "/evaluateExamFinalize_req.rds")
evaluateExamFinalize_log = paste0(getDir(session), "/evaluateExamFinalize_log.txt")
evaluateExamFinalize_res = paste0(getDir(session), "/evaluateExamFinalize_res.txt")
evaluateExamFinalize_fin = paste0(getDir(session), "/evaluateExamFinalize_fin.txt")
evaluateExamFinalize_req_content = list()
evaluateExamFinalize_logHistory = c()
evaluateExamFinalizeProgressData = list(totalExams = NULL,
previousProgress = 0,
progress = 0)
examFinalizeEvaluationData = reactiveVal()
# CALL --------------------------------------------------------------------
examFinalizeEvaluation = eventReactive(input$proceedEvaluation, {
checkPm = checkPermission("P1004", credentials()$info$pm)
if(!checkPm$hasPermission){
session$sendCustomMessage("errorNoPermission", getNoPermissionMessage(checkPm$code, checkPm$response, FALSE))
return(callr::r_bg(function() NULL))
}
if(length(evaluateExamFinalize_req_content) == 0) {
session$sendCustomMessage("changeTabTitle", 3)
startWait(session)
initProrgress(session)
log_(content="Evaluating exam.", USERNAME, sessionToken=session$token)
}
dir = getDir(session)
removeModal()
result = isolate(examScanEvaluationData())
result$scans_reg_fullJoinData = isolate(input$proceedEvaluation$scans_reg_fullJoinData)
result$scans_reg_fullJoinData = as.data.frame(Reduce(rbind, result$scans_reg_fullJoinData))
examScanEvaluationData(result)
# request content
evaluateExamFinalize_req_content <<- c(isolate(examScanEvaluationData()), proceedEvaluation=list(isolate(input$proceedEvaluation)))
saveRDS(evaluateExamFinalize_req_content, evaluateExamFinalize_req)
return(1)
})
# PROCESSING --------------------------------------------------------------
observe({
if(examFinalizeEvaluation() != 1)
return(0)
if (is.na(file.mtime(evaluateExamFinalize_fin))) {
invalidateLater(millis = 100, session = session)
logData = processLogFile(evaluateExamFinalize_log, evaluateExamFinalize_logHistory)
evaluateExamFinalize_logHistory <<- logData$history
evaluateExamFinalizeProgressData <<- monitorProgressExamFinalizeEvaluation(session, logData$out, evaluateExamFinalizeProgressData)
if(!DOCKER_WORKER)
checkWorkerRequests()
} else {
if(!DOCKER_WORKER)
readOutput()
logData = processLogFile(evaluateExamFinalize_log, evaluateExamFinalize_logHistory)
evaluateExamFinalize_logHistory <<- logData$history
evaluateExamFinalizeProgressData <<- monitorProgressExamFinalizeEvaluation(session, logData$out, evaluateExamFinalizeProgressData)
# process results
result = as.list(readLines(evaluateExamFinalize_res))
messageType = unlist(result[1])
message = unlist(result[2])
if(messageType != "2"){
names(result) = c("messageType", "message", "examIds", "examName", "numExercises", "numChoices", "totalPdfLength", "totalPngLength", "scanFileZipName",
"dir", "edirName", "cores", "rotate", "points", "regLength", "partial", "negative", "rule", "mark", "labels", "language",
"solution", "registeredParticipants", "scanEvaluation", "scans_reg_fullJoin", "examCodeFile", "nops_evaluationCsv", "nops_evaluationZip", "nops_evalInputTxt", "nops_statisticsTxt")
result = lapply(setNames(result, names(result)), function(x) strsplit(x, ";")[[1]])
result = with(result, {
data = list(messageType=unlist(messageType),
message=unlist(message),
preparedEvaluation=list(meta=list(examIds=examIds, examName=examName, numExercises=as.numeric(numExercises), numChoices=as.numeric(numChoices), totalPdfLength=as.numeric(totalPdfLength), totalPngLength=as.numeric(totalPngLength), scanFileZipName=scanFileZipName),
fields=list(dir=dir, edirName=edirName, cores=as.numeric(cores), rotate=as.logical(rotate), points=switch((length(points)==0)+1,as.numeric(points),NULL), regLength=as.numeric(regLength), partial=as.logical(partial), negative=as.logical(negative), rule=rule, mark=ifelse(mark=="FALSE",FALSE,as.numeric(mark)), labels=labels, language=language),
files=list(solution=solution, registeredParticipants=registeredParticipants, scanEvaluation=scanEvaluation, nops_evaluationCsv=nops_evaluationCsv, nops_evaluationZip=nops_evaluationZip, nops_evalInputTxt=nops_evalInputTxt, nops_statisticsTxt=nops_statisticsTxt, examCodeFile=examCodeFile)),
evaluationStatistics=readLines(nops_statisticsTxt)
)
data$evaluationStatistics = rev(split(data$evaluationStatistics, rev(cumsum(rev(data$evaluationStatistics=="")))))
data$evaluationStatistics = lapply(data$evaluationStatistics, function(x) setNames(list(read.csv2(text=paste0(x[x!=""][-1], collapse="\n"))), x[1]))
data$evaluationStatistics = Reduce(c, data$evaluationStatistics)
return(data)
})
examFinalizeEvaluationData(result)
} else{
result = list(messageType=messageType,
message=message,
preparedEvaluation=list(files=NULL))
}
evaluateExamFinalizeResponse(session, result)
session$sendCustomMessage("changeTabTitle", as.numeric(messageType))
# wrap up
evaluateExamFinalize_req_content <<- list()
evaluateExamFinalize_logHistory <<- c()
evaluateExamFinalizeProgressData <<- list(totalExams = NULL,
previousProgress = 0,
progress = 0)
log_(content="Exam evaluated.", USERNAME, sessionToken=session$token)
}
})
# ADDITIONAL HANDLERS -----------------------------------------------------
# download evaluation files
output$downloadEvaluationFiles = downloadHandler(
filename = "evaluation.zip",
content = function(fname) {
# zip(zipfile=fname, files=unlist(isolate(examFinalizeEvaluationData()$preparedEvaluation$files), recursive = TRUE), flags='-r9XjFS')
zip(zipfile=fname, files=unlist(isolate(examFinalizeEvaluationData()$preparedEvaluation$files), recursive = TRUE), flags='-r9Xj')
},
contentType = "application/zip"
)
# go back one step
observeEvent(input$backTo_evaluateExamScansResponse, {
removeModal()