global.R

# Max file size ---------------------------------------------------------------------------------
options(shiny.maxRequestSize = 800 * 1024^2)

# Sanitising error messages (to avoid revealing anything untoward)
options(shiny.sanitize.errors = TRUE)

# Library calls ---------------------------------------------------------------------------------
shhh <- suppressPackageStartupMessages # It's a library, so shhh!
shhh(library(lubridate))
shhh(library(shiny))
shhh(library(janitor))
shhh(library(dplyr))
shhh(library(stringr))
shhh(library(data.table))
shhh(library(shinyjs))
shhh(library(tools))
shhh(library(readr))
shhh(library(testthat))
shhh(library(styler))
shhh(library(tidyr))
shhh(library(ggplot2))
shhh(library(shinyFeedback))
shhh(library(DT))
shhh(library(shinyWidgets))
shhh(library(shinycssloaders))
shhh(library(sparkline))
shhh(library(config))
shhh(library(shinyalert))
shhh(library(shinydisconnect))
shhh(library(praise))
shhh(library(dfeR))

# Following are commented out as they are needed for CI / CD or commit hooks but not for running of app
pigs_will_fly <- FALSE
if (pigs_will_fly == TRUE) {
  shhh(library(rsconnect))
  shhh(library(git2r))
  shhh(library(shinytest2))
  shhh(library(diffviewer))
}

# activeTestsInFile ---------------------------------------------------------------------------------
# Extracting the active tests that are run against files

activeTestsInFile <- function(file) {
  trimws(gsub("\\(.* # active test", "", grep("(# active test)$", read_lines(file), value = TRUE)))
}

activeTests <- sapply(c("R/fileValidation.r", "R/preCheck1.r", "R/preCheck2.r", "R/mainTests.r"), activeTestsInFile, simplify = FALSE)

numberActiveTests <- length(unlist(activeTests, use.names = FALSE))

# Results boxes ----------------------------------------------------------------------------

pass_results_box <- function() {
  div(
    div(
      class = "panel panel-success",
      div(
        class = "panel-heading",
        style = "color: white;font-size: 18px;font-style: bold;", # background-color: #70ad47;
        "All the screener checks passed!"
      ),
      div(
        class = "panel-body",
        style = "padding-left:27px",
        "Your files can now be uploaded to Explore Education Statistics, see our  ",
        a(href = "https://dfe-analytical-services.github.io/analysts-guide/statistics-production/ees.html", "guidance on using EES", target = "_blank"),
        " for more information."
      )
    )
  )
}

fail_results_box <- function(message, table) {
  div(
    div(
      class = "panel panel-danger",
      div(
        class = "panel-heading",
        style = "color: white;font-size: 18px;font-style: bold;", # background-color: #d45859;
        textOutput(message)
      ),
      div(
        class = "panel-body",
        tableOutput(table)
      )
    )
  )
}

advisory_results_box <- function(message, table) {
  div(
    div(
      class = "panel panel-warning",
      div(
        class = "panel-heading",
        style = "color: white;font-size: 18px;font-style: bold; ", # background-color: #e87421;
        textOutput(message)
      ),
      div(
        class = "panel-body",
        tableOutput(table)
      )
    )
  )
}

results_box <- function(message, table) {
  div(
    div(
      class = "panel panel-secondary",
      div(
        class = "panel-heading",
        style = "background-color: #727477; color: white;font-size: 18px; height:47px; vertical-align: middle; line-height:47px; padding-top:0px",
        div(
          class = "row",
          div(
            class = "col-sm-9",
            textOutput(message)
          ),
          div(
            class = "col-sm-3",
            downloadButton("download_results", "Download results")
          )
        )
      ),
      div(
        class = "panel-body",
        tableOutput(table)
      )
    )
  )
}

ancillary_box <- function() {
  div(
    div(
      class = "panel panel-info",
      div(
        class = "panel-heading",
        style = "color: white;font-size: 18px;font-style: bold;", # background-color: #38a1c1;
        "This file should not be uploaded as a standard data file"
      ),
      div(
        class = "panel-body",
        style = "padding-left:27px",
        "The data file only includes geographic levels that are going to be ignored by EES, see our  ",
        a(href = "https://dfe-analytical-services.github.io/analysts-guide/statistics-production/ees.html#supporting-file-uploads", "guidance on uploading ancillary files", target = "_blank"),
        " for more information on how to upload as an ancillary file instead of via the normal data route."
      )
    )
  )
}

info_results_box <- function(message, table) {
  div(
    div(
      class = "panel panel-info",
      div(
        class = "panel-heading",
        style = "color: white;font-size: 18px;font-style: bold; ", # background-color: #e87421;
        textOutput(message)
      ),
      div(
        class = "panel-body",
        tableOutput(table)
      )
    )
  )
}

# summarise_stats ----------------------------------------------------------------------------
# Summarising the counts of the results

summarise_stats <- function(count, text) {
  if (count == 1) {
    paste0(count, " test ", text)
  } else {
    paste0(count, " tests ", text)
  }
}

# appLoadingCSS ----------------------------------------------------------------------------
# Set up loading screen

appLoadingCSS <- "
#loading-content {
  position: absolute;
  background: #000000;
  opacity: 0.9;
  z-index: 100;
  left: 0;
  right: 0;
  height: 100%;
  text-align: center;
  color: #FFFFFF;
}
"

# spinner options ---------------------------------------------------------
options(spinner.type = 5)
options(spinner.color = "#c8c8c8") # Grey '#C0C0C0') # Laura's blue #6294C6
options(spinner.size = .5)

# disconnect duck ---------------------------------------------------------

customDisconnectMessage <- function(refresh = "Refresh",
                                    width = 450,
                                    top = 50,
                                    size = 22,
                                    background = "white",
                                    colour = "#ffffff", # "#444444",
                                    overlayColour = "black",
                                    overlayOpacity = 0.6,
                                    refreshColour = "#337ab7") {
  checkmate::assert_string(refresh)
  checkmate::assert_numeric(size, lower = 0)
  checkmate::assert_string(background)
  checkmate::assert_string(colour)
  checkmate::assert_string(overlayColour)
  checkmate::assert_number(overlayOpacity, lower = 0, upper = 1)
  checkmate::assert_string(refreshColour)

  if (width == "full") {
    width <- "100%"
  } else if (is.numeric(width) && width >= 0) {
    width <- paste0(width, "px")
  } else {
    stop("disconnectMessage: 'width' must be either an integer, or the string \"full\".", call. = FALSE)
  }

  if (top == "center") {
    top <- "50%"
    ytransform <- "-50%"
  } else if (is.numeric(top) && top >= 0) {
    top <- paste0(top, "px")
    ytransform <- "0"
  } else {
    stop("disconnectMessage: 'top' must be either an integer, or the string \"center\".", call. = FALSE)
  }

  htmltools::tagList(
    htmltools::tags$script(
      paste0(
        "$(function() {",
        "  $(document).on('shiny:disconnected', function(event) {",
        "    $('#custom-disconnect-dialog').show();",
        "    $('#ss-overlay').show();",
        "  })",
        "});"
      )
    ),
    htmltools::tags$div(
      id = "custom-disconnect-dialog",
      style = "display: none !important;",
      htmltools::tags$div(
        id = "ss-connect-refresh",
        htmltools::tags$p("Something went wrong! Try refreshing the page."),
        htmltools::tags$a(id = "ss-reload-link", href = "#", onclick = "window.location.reload(true);")
      ),
      htmltools::tags$div(
        id = "ss-connect-image",
        style = "display: block !important;",
        htmltools::tags$img(id = "ss-reload-image", src = "builder-duck.PNG"),
        htmltools::tags$p("If this persists, please contact explore.statistics@education.gov.uk with details of what you were trying to do.")
      )
    ),
    htmltools::tags$div(id = "ss-overlay", style = "display: none;"),
    htmltools::tags$head(htmltools::tags$style(
      glue::glue(
        .open = "{{", .close = "}}",

        ## This hides the old message
        "#ss-connect-dialog { display: none !important; }", # rsconnect
        "#shiny-disconnected-overlay { display: none !important; }", # local

        "#ss-overlay {
             background-color: {{overlayColour}} !important;
             opacity: {{overlayOpacity}} !important;
             position: fixed !important;
             top: 0 !important;
             left: 0 !important;
             bottom: 0 !important;
             right: 0 !important;
             z-index: 99998 !important;
             overflow: hidden !important;
             cursor: not-allowed !important;
          }",
        "#custom-disconnect-dialog {
             background: {{background}} !important;
             color: {{colour}} !important;
             width: {{width}} !important;
             transform: translateX(-50%) translateY({{ytransform}}) !important;
             font-size: {{size}}px !important;
             top: {{top}} !important;
             position: fixed !important;
             bottom: auto !important;
             left: 50% !important;
             padding: 0.8em 1.5em !important;
             text-align: center !important;
             height: auto !important;
             opacity: 1 !important;
             z-index: 99999 !important;
             border-radius: 3px !important;
             box-shadow: rgba(0, 0, 0, 0.3) 3px 3px 10px !important;
          }",
        "#custom-disconnect-dialog a {
             display: {{ if (refresh == '') 'none' else 'block' }} !important;
             color: {{refreshColour}} !important;
             font-size: {{size}}px !important;
             margin-top: {{size}}px !important;
             font-weight: normal !important;
          }",
        "#custom-disconnect-dialog a::before {
            content: '{{refresh}}';
            font-size: {{size}}px;
          }"
      )
    ))
  )
}