feat: empty screen when no tasks

app.R

@@ -72,7 +72,7 @@ ui <- page_sidebar(
     uiOutput("status_message"),
     textOutput("status_message2"),
     uiOutput("display_log"),
-    actionButton("shieesh", "Задачи: нет активных"),
+    actionButton("tasks_shieesh", "Задачи: нет активных"),
     position = "left",
     open = list(mobile = "always")
   ),
@@ -1232,7 +1232,7 @@ server <- function(input, output, session) {
 
   # TASKS ---------------------------------------
   ## show button watcher -------------------------
-  observeEvent(input$shieesh, {
+  observeEvent(input$tasks_shieesh, {
 
     con <- db$make_db_connection(scheme(),"nested_tables")
     on.exit(db$close_db_connection(con, "nested_tables"), add = TRUE)
@@ -1241,11 +1241,7 @@ server <- function(input, output, session) {
       DBI::dbGetQuery(con, glue::glue("SELECT * FROM tasks WHERE task_main_key = '{values$main_key}'")) |>
         dplyr::mutate(dplyr::across(c("task_datetime_created", "task_datetime_last_updated", "task_datetime_completed"), as.POSIXct))
     } else {
-      get_default_task()
-    }
-
-    if (nrow(values$tasks_data) == 0) {
-      values$tasks_data <- get_default_task()
+      NULL
     }
 
     values$tasks_id_selector <- NULL
@@ -1255,15 +1251,21 @@ server <- function(input, output, session) {
 
   show_modal_for_tasks <- function() {
 
-    tasks_selector <- values$tasks_data |>
-      dplyr::filter(task_status != "completed") |>
-      dplyr::pull(task_id)
+    if (!is.null(values$tasks_data)) {
 
-    tasks_selector <- unique(c(values$tasks_id_selector, tasks_selector))
-    tasks_selector <- sort(tasks_selector)
+      tasks_selector <- values$tasks_data |>
+        dplyr::filter(task_status != "completed") |>
+        dplyr::pull(task_id)
 
-    if (length(values$tasks_id_selector) == 0) {
-      values$tasks_id_selector <- if (length(tasks_selector) == 0) NULL else tasks_selector[[1]]
+      tasks_selector <- unique(c(values$tasks_id_selector, tasks_selector))
+      tasks_selector <- sort(tasks_selector)
+
+      if (length(values$tasks_id_selector) == 0) {
+        values$tasks_id_selector <- if (length(tasks_selector) == 0) NULL else tasks_selector[[1]]
+      }
+
+    } else {
+      tasks_selector <- NULL
     }
 
     # ui 
@@ -1271,14 +1273,18 @@ server <- function(input, output, session) {
     subroup_scheme <- mhcs()$get_scheme("tasks") |>
       dplyr::filter(form_id != "dummy")
 
-    tab <- bslib::nav_panel(
-      title = "no name provided",
-      purrr::pmap(
-        .l = dplyr::distinct(subroup_scheme, form_id, form_label, form_type),
-        .f = utils$render_forms,
-        main_scheme = subroup_scheme
+    tab <- if (length(tasks_selector) > 0) {
+      bslib::nav_panel(
+        title = "no name provided",
+        purrr::pmap(
+          .l = dplyr::distinct(subroup_scheme, form_id, form_label, form_type),
+          .f = utils$render_forms,
+          main_scheme = subroup_scheme
+        )
       )
-    )
+    } else {
+      bslib::nav_panel("", div("Нет доступных записей.", br(), "Необходимо создать новую запись."))
+    }
 
     ui <- layout_sidebar(
       sidebar = tagList(
@@ -1327,7 +1333,7 @@ server <- function(input, output, session) {
     con <- db$make_db_connection(scheme(),"tasks_saving_button")
     on.exit(db$close_db_connection(con, "tasks_saving_button"), add = TRUE)
 
-    id_and_types_list <- schms$example_of_scheme$get_id_type_list("tasks")
+    id_and_types_list <- mhcs()$get_id_type_list("tasks")
     input_types   <- unname(id_and_types_list)
     input_ids     <- names(id_and_types_list)
 
@@ -1452,6 +1458,8 @@ server <- function(input, output, session) {
       dplyr::pull(task_id)
 
     updateSelectInput(inputId = "hhhhhhh", choices = tasks_selector, selected = values$tasks_id_selector)
+    removeModal()
+    show_modal_for_tasks()
   })
   
   observeEvent(input$tasks_add_autoreview, {
@@ -1469,17 +1477,18 @@ server <- function(input, output, session) {
       dplyr::pull(task_id)
 
     updateSelectInput(inputId = "hhhhhhh", choices = tasks_selector, selected = values$tasks_id_selector)
+    removeModal()
+    show_modal_for_tasks()
   })
 
-
   update_task_button_count <- function(con) {
     if ("tasks" %in% DBI::dbListTables(con)) {
       tasks_num <- DBI::dbGetQuery(con, glue::glue("SELECT COUNT ('task_id') FROM tasks WHERE task_main_key = '{values$main_key}' AND task_status = 'active'")) |>
         pull()
       if (tasks_num > 0) {
-        updateActionButton(inputId = "shieesh", label = paste("активных задач:", tasks_num))
+        updateActionButton(inputId = "tasks_shieesh", label = paste("активных задач:", tasks_num))
       } else {
-        updateActionButton(inputId = "shieesh", label = "Задачи: нет активных")
+        updateActionButton(inputId = "tasks_shieesh", label = "Задачи: нет активных")
       }
     }
   }