From cac7902e502df03536c34251cd8e5d3b98c3f24d Mon Sep 17 00:00:00 2001
From: Denis Bykhov <bykhov.denis@gmail.com>
Date: Thu, 3 Apr 2025 19:15:30 +0500
Subject: [PATCH] Process fallback values (#8457)

Signed-off-by: Denis Bykhov <bykhov.denis@gmail.com>
---
 plugins/process-assets/lang/cs.json           |   4 +-
 plugins/process-assets/lang/de.json           |   4 +-
 plugins/process-assets/lang/en.json           |   4 +-
 plugins/process-assets/lang/es.json           |   4 +-
 plugins/process-assets/lang/fr.json           |   4 +-
 plugins/process-assets/lang/it.json           |   4 +-
 plugins/process-assets/lang/pt.json           |   4 +-
 plugins/process-assets/lang/ru.json           |   4 +-
 plugins/process-assets/lang/zh.json           |   4 +-
 .../attributeEditors/ConfigurePopup.svelte    |  76 ++++++++++---
 .../contextEditors/FallbackEditor.svelte      | 100 ++++++++++++++++++
 plugins/process-resources/src/plugin.ts       |   4 +-
 12 files changed, 194 insertions(+), 22 deletions(-)
 create mode 100644 plugins/process-resources/src/components/contextEditors/FallbackEditor.svelte

diff --git a/plugins/process-assets/lang/cs.json b/plugins/process-assets/lang/cs.json
index 23a0df7ca9..cc08cc4d85 100644
--- a/plugins/process-assets/lang/cs.json
+++ b/plugins/process-assets/lang/cs.json
@@ -40,6 +40,8 @@
     "Add": "Přidat",
     "Subtract": "Odečíst",
     "Offset": "Posunout",
-    "FirstWorkingDayAfter": "První pracovní den po"
+    "FirstWorkingDayAfter": "První pracovní den po",
+    "FallbackValueError": "Zobrazit chybu, pokud není k dispozici",
+    "Required": "Povinné"
   }
 }
diff --git a/plugins/process-assets/lang/de.json b/plugins/process-assets/lang/de.json
index 8250b92333..d4c0d8d684 100644
--- a/plugins/process-assets/lang/de.json
+++ b/plugins/process-assets/lang/de.json
@@ -40,6 +40,8 @@
     "Add": "Hinzufügen",
     "Subtract": "Subtrahieren",
     "Offset": "Verschieben",
-    "FirstWorkingDayAfter": "Erste Arbeitstag nach"
+    "FirstWorkingDayAfter": "Erste Arbeitstag nach",
+    "FallbackValueError": "Fehler anzeigen, wenn leer",
+    "Required": "Erforderlich"
   }
 }
diff --git a/plugins/process-assets/lang/en.json b/plugins/process-assets/lang/en.json
index cc9e44e126..d57f6bc56e 100644
--- a/plugins/process-assets/lang/en.json
+++ b/plugins/process-assets/lang/en.json
@@ -40,6 +40,8 @@
     "Add": "Add",
     "Subtract": "Subtract",
     "Offset": "Offset",
-    "FirstWorkingDayAfter": "First working day after"
+    "FirstWorkingDayAfter": "First working day after",
+    "FallbackValueError": "Show error if empty",
+    "Required": "Required"
   }
 }
diff --git a/plugins/process-assets/lang/es.json b/plugins/process-assets/lang/es.json
index 47d6a1e932..40b0bff66d 100644
--- a/plugins/process-assets/lang/es.json
+++ b/plugins/process-assets/lang/es.json
@@ -40,6 +40,8 @@
     "Add": "Agregar",
     "Subtract": "Restar",
     "Offset": "Desplazar",
-    "FirstWorkingDayAfter": "Primer día de trabajo después"
+    "FirstWorkingDayAfter": "Primer día de trabajo después",
+    "FallbackValueError": "Mostrar error si está vacío",
+    "Required": "Requerido"
   }
 }
diff --git a/plugins/process-assets/lang/fr.json b/plugins/process-assets/lang/fr.json
index 37b080f874..d404f68be9 100644
--- a/plugins/process-assets/lang/fr.json
+++ b/plugins/process-assets/lang/fr.json
@@ -40,6 +40,8 @@
     "Add": "Ajouter",
     "Subtract": "Soustraire",
     "Offset": "Décalage",
-    "FirstWorkingDayAfter": "Premier jour de travail après"
+    "FirstWorkingDayAfter": "Premier jour de travail après",
+    "FallbackValueError": "Afficher l'erreur si vide",
+    "Required": "Requis"
   }
 }
\ No newline at end of file
diff --git a/plugins/process-assets/lang/it.json b/plugins/process-assets/lang/it.json
index ed18bd9ee8..ae24db49b0 100644
--- a/plugins/process-assets/lang/it.json
+++ b/plugins/process-assets/lang/it.json
@@ -40,6 +40,8 @@
     "Add": "Aggiungi",
     "Subtract": "Sottrai",
     "Offset": "Offset",
-    "FirstWorkingDayAfter": "Primo giorno lavorativo dopo"
+    "FirstWorkingDayAfter": "Primo giorno lavorativo dopo",
+    "FallbackValueError": "Mostra errore se vuoto",
+    "Required": "Obbligatorio"
   }
 }
diff --git a/plugins/process-assets/lang/pt.json b/plugins/process-assets/lang/pt.json
index e354dff0cc..dd5a3f5630 100644
--- a/plugins/process-assets/lang/pt.json
+++ b/plugins/process-assets/lang/pt.json
@@ -40,6 +40,8 @@
     "Add": "Adicionar",
     "Subtract": "Subtrair",
     "Offset": "Deslocar",
-    "FirstWorkingDayAfter": "Primeiro Dia de Trabalho Após"
+    "FirstWorkingDayAfter": "Primeiro Dia de Trabalho Após",
+    "FallbackValueError": "Mostrar erro se vazio",
+    "Required": "Obrigatório"
   }
 }
diff --git a/plugins/process-assets/lang/ru.json b/plugins/process-assets/lang/ru.json
index e836e60375..9694e509db 100644
--- a/plugins/process-assets/lang/ru.json
+++ b/plugins/process-assets/lang/ru.json
@@ -41,6 +41,8 @@
     "Add": "Добавить",
     "Subtract": "Вычесть",
     "Offset": "Смещение",
-    "FirstWorkingDayAfter": "Первый рабочий день после"
+    "FirstWorkingDayAfter": "Первый рабочий день после",
+    "FallbackValueError": "Показывать ошибку, если недоступно",
+    "Required": "Обязательно"
   }
 }
diff --git a/plugins/process-assets/lang/zh.json b/plugins/process-assets/lang/zh.json
index 68504b1aec..92c40264a3 100644
--- a/plugins/process-assets/lang/zh.json
+++ b/plugins/process-assets/lang/zh.json
@@ -40,6 +40,8 @@
     "Add": "添加",
     "Subtract": "减去",
     "Offset": "偏移",
-    "FirstWorkingDayAfter": "在之后的第一个工作日"
+    "FirstWorkingDayAfter": "在之后的第一个工作日",
+    "FallbackValueError": "显示错误，如果为空",
+    "Required": "必需"
   }
 }
diff --git a/plugins/process-resources/src/components/attributeEditors/ConfigurePopup.svelte b/plugins/process-resources/src/components/attributeEditors/ConfigurePopup.svelte
index 862c878ab0..f07f20e3aa 100644
--- a/plugins/process-resources/src/components/attributeEditors/ConfigurePopup.svelte
+++ b/plugins/process-resources/src/components/attributeEditors/ConfigurePopup.svelte
@@ -15,6 +15,7 @@
 <script lang="ts">
   import {
     ButtonIcon,
+    CheckBox,
     closeTooltip,
     eventToHTMLElement,
     IconClose,
@@ -31,6 +32,7 @@
   import { Context, Func, ProcessFunction, SelectedContext } from '@hcengineering/process'
   import { getClient } from '@hcengineering/presentation'
   import { AttributeCategory } from '@hcengineering/view'
+  import FallbackEditor from '../contextEditors/FallbackEditor.svelte'
 
   export let contextValue: SelectedContext
   export let context: Context
@@ -84,8 +86,6 @@
     return result
   }
 
-  function onFallback (): void {}
-
   $: funcs = client
     .getModel()
     .findAllSync(plugin.class.ProcessFunction, { _id: { $in: contextValue.functions?.map((it) => it.func) } })
@@ -97,6 +97,20 @@
 
   $: functionButtonIndex = functionsLength + (sourceFunc !== undefined ? 1 : 0)
 
+  function onFallback (): void {
+    showPopup(FallbackEditor, { contextValue, attribute }, elements[functionButtonIndex + 1], (res) => {
+      if (res != null) {
+        if (res.value !== undefined) {
+          contextValue.fallbackValue = res.value
+        } else {
+          // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
+          delete contextValue.fallbackValue
+        }
+        onChange(contextValue)
+      }
+    })
+  }
+
   function onFunctionSelect (e: Ref<ProcessFunction>): void {
     // if editor is undefined
     const func = client.getModel().findAllSync(plugin.class.ProcessFunction, { _id: e })[0]
@@ -185,6 +199,15 @@
       }
     )
   }
+
+  function onFallbackChange (): void {
+    if (contextValue.fallbackValue === undefined) {
+      contextValue.fallbackValue = null
+    } else {
+      contextValue.fallbackValue = undefined
+    }
+    onChange(contextValue)
+  }
 </script>
 
 <div class="selectPopup" use:resizeObserver={() => dispatch('changeContent')}>
@@ -287,22 +310,47 @@
         <!-- <div class="menu-separator" /> -->
       {/if}
     {/if}
+    <div class="menu-separator" />
     <!-- svelte-ignore a11y-mouse-events-have-key-events -->
-    <!-- <button
-      bind:this={elements[functionsLength + 1 + (sourceFunc !== undefined ? 1 : 0)]}
+    <button
+      bind:this={elements[functionButtonIndex + 1]}
       on:keydown={(event) => {
-        keyDown(event, functionsLength + 1 + (sourceFunc !== undefined ? 1 : 0))
+        keyDown(event, functionButtonIndex + 1)
       }}
       on:mouseover={() => {
-        elements[functionsLength + 1 + (sourceFunc !== undefined ? 1 : 0)]?.focus()
+        elements[functionButtonIndex + 1]?.focus()
       }}
-      on:click={onFallback}
-      class="menu-item"
+      on:click={onFallbackChange}
+      class="menu-item flex-gap-2 fallback"
     >
-      <span class="overflow-label pr-1">
-        <Label label={plugin.string.FallbackValue} />
-      </span>
-    </button> -->
+      <div>
+        <div class="label">
+          <Label label={plugin.string.Required} />
+        </div>
+        <div class="text-sm">
+          <Label label={plugin.string.FallbackValueError} />
+        </div>
+      </div>
+      <CheckBox checked={contextValue.fallbackValue === undefined} size={'medium'} kind={'primary'} />
+    </button>
+    {#if contextValue.fallbackValue !== undefined}
+      <!-- svelte-ignore a11y-mouse-events-have-key-events -->
+      <button
+        bind:this={elements[functionButtonIndex + 2]}
+        on:keydown={(event) => {
+          keyDown(event, functionButtonIndex + 2)
+        }}
+        on:mouseover={() => {
+          elements[functionButtonIndex + 2]?.focus()
+        }}
+        on:click={onFallback}
+        class="menu-item"
+      >
+        <span class="overflow-label pr-1">
+          <Label label={plugin.string.FallbackValue} />
+        </span>
+      </button>
+    {/if}
   </Scroller>
   <div class="menu-space" />
 </div>
@@ -314,4 +362,8 @@
     align-items: center;
     width: 100%;
   }
+
+  .fallback {
+    padding-right: 1.25rem;
+  }
 </style>
diff --git a/plugins/process-resources/src/components/contextEditors/FallbackEditor.svelte b/plugins/process-resources/src/components/contextEditors/FallbackEditor.svelte
new file mode 100644
index 0000000000..41b40856ff
--- /dev/null
+++ b/plugins/process-resources/src/components/contextEditors/FallbackEditor.svelte
@@ -0,0 +1,100 @@
+<!--
+// Copyright © 2025 Hardcore Engineering Inc.
+//
+// Licensed under the Eclipse Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License. You may
+// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+-->
+<script lang="ts">
+  import { AnyAttribute, Class, Doc, Ref } from '@hcengineering/core'
+  import presentation, { Card, getAttributeEditor, getClient } from '@hcengineering/presentation'
+  import { SelectedContext } from '@hcengineering/process'
+  import { AnySvelteComponent, CheckBox, Label } from '@hcengineering/ui'
+  import { createEventDispatcher } from 'svelte'
+  import plugin from '../../plugin'
+
+  export let contextValue: SelectedContext
+  export let attribute: AnyAttribute
+  let value = contextValue.fallbackValue
+
+  const dispatch = createEventDispatcher()
+  const client = getClient()
+
+  function save (): void {
+    dispatch('close', { value })
+  }
+
+  function errorChange (e: CustomEvent<boolean>): void {
+    if (e.detail) {
+      value = undefined
+    } else {
+      value = null
+    }
+  }
+
+  let editor: AnySvelteComponent | undefined
+
+  function getBaseEditor (_class: Ref<Class<Doc>>, key: string): void {
+    void getAttributeEditor(client, _class, key).then((p) => {
+      editor = p
+    })
+  }
+
+  function onChange (val: any | undefined): void {
+    value = val
+  }
+
+  $: getBaseEditor(attribute.attributeOf, attribute.name)
+</script>
+
+<Card
+  on:close
+  width={'menu'}
+  label={plugin.string.FallbackValue}
+  canSave
+  okAction={save}
+  okLabel={presentation.string.Save}
+>
+  <div class="flex-row-center flex-gap-4">
+    <div>
+      <div class="label">
+        <Label label={plugin.string.Required} />
+      </div>
+      <div class="text-sm">
+        <Label label={plugin.string.FallbackValueError} />
+      </div>
+    </div>
+    <CheckBox checked={value === undefined} on:value={errorChange} size={'medium'} kind={'primary'} />
+  </div>
+  {#if value !== undefined && editor}
+    <div class="w-full mt-2">
+      <svelte:component
+        this={editor}
+        label={attribute?.label}
+        placeholder={attribute?.label}
+        kind={'ghost'}
+        size={'large'}
+        width={'100%'}
+        justify={'left'}
+        type={attribute?.type}
+        {value}
+        {onChange}
+        {focus}
+      />
+    </div>
+  {/if}
+</Card>
+
+<style lang="scss">
+  .label {
+    font-size: 500;
+    color: var(--caption-color);
+  }
+</style>
diff --git a/plugins/process-resources/src/plugin.ts b/plugins/process-resources/src/plugin.ts
index 9bd33172dc..e22ac8a297 100644
--- a/plugins/process-resources/src/plugin.ts
+++ b/plugins/process-resources/src/plugin.ts
@@ -85,6 +85,8 @@ export default mergeIds(processId, process, {
     Subtract: '' as IntlString,
     Offset: '' as IntlString,
     Value: '' as IntlString,
-    FirstWorkingDayAfter: '' as IntlString
+    FirstWorkingDayAfter: '' as IntlString,
+    FallbackValueError: '' as IntlString,
+    Required: '' as IntlString
   }
 })