PlantBreedGame/server.R at master · timflutre/PlantBreedGame · GitHub

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## Copyright 2015,2016,2017,2018,2019 Institut National de la Recherche Agronomique
## and Montpellier SupAgro.
##
## This file is part of PlantBreedGame.
##
## PlantBreedGame is free software: you can redistribute it and/or modify
## it under the terms of the GNU Affero General Public License as
## published by the Free Software Foundation, either version 3 of the
## License, or (at your option) any later version.
##
## PlantBreedGame is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU Affero General Public
## License along with PlantBreedGame.  If not, see
## <http://www.gnu.org/licenses/>.


source("src/dependencies.R", local = TRUE, encoding = "UTF-8")$value


shinyServer(function(input, output, session) {
  currentGTime <- reactive({
    ## this variable contain the game time.
    ## it is reevaluated every 250 milliseconds
    ## send a "tic" message to the client to get information about the server status (busy or not)
    invalidateLater(1000)
    session$sendCustomMessage("serverTic", "tic")
    getGameTime()
  })

  values <- reactiveValues(
    lastDBupdate = Sys.time()
  )

  gameInitialised <- function() {
    if (!(dir.exists(DATA_TRUTH) &
      dir.exists(DATA_SHARED) &
      dir.exists(DATA_INITIAL_DATA) &
      dir.exists(DATA_REPORTS) &
      file.exists(DATA_DB))) {
      return(FALSE)
    }
    app_version <- package_version(readLines("VERSION"))
    db_version <- package_version(getBreedingGameConstants()$version)
    if (length(db_version) == 0) {
      return(FALSE)
    }
    if (app_version$major > db_version$major) {
      return(FALSE)
    }
    return(TRUE)
  }

  observe({
    if (!gameInitialised()) {
      msg <- paste(
        "The game have not been initialised or the current game session is ",
        "incompatible with this application version. ",
        "It is therefore currently impossible to play.",
        '\nTo (re)-initialise the game, go to the "Admin" menu and in the "Game setup" tab.',
        "From there you will be able to initialise a new game."
      )
      alert(msg)
    }
  })

  source("src/server/server_information.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_id.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_plant_material.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_pheno.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_geno.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_data_viz.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_eval.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_theory.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_admin.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_about.R", local = TRUE, encoding = "UTF-8")$value
  source("src/server/server_constants.R", local = TRUE, encoding = "UTF-8")$value

  # some reactive values used at different places:
  constantsReactive <- reactivePoll(
    5000,
    session,
    function() {
      if (file.exists(DATA_DB)) {
        return(file.info(DATA_DB)$mtime[1])
      }
      return("")
    },
    getBreedingGameConstants
  )
})