From 44426b6bf821582e0b801436beb81b2dc45c79c1 Mon Sep 17 00:00:00 2001
From: Martin McKeaveney <martin@shogunsystems.co.uk>
Date: Thu, 10 Sep 2020 13:04:45 +0100
Subject: [PATCH] data form component date picker aware, form component
 refactor

---
 package.json                                  |   2 +-
 packages/standard-components/package.json     |   1 +
 .../standard-components/src/DataForm.svelte   | 155 +++++++-----------
 .../src/DataFormWide.svelte                   | 155 +++++++-----------
 4 files changed, 116 insertions(+), 197 deletions(-)

diff --git a/package.json b/package.json
index 69f7b0f21d..79935c5dce 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "publishdev": "lerna run publishdev",
     "publishnpm": "yarn build && lerna publish --force-publish",
     "clean": "lerna clean",
-    "dev": "node ./scripts/symlinkDev.js && lerna run --parallel --stream dev:builder",
+    "dev": "node ./scripts/symlinkDev.js && lerna run --parallel dev:builder",
     "test": "lerna run test",
     "lint": "eslint packages",
     "lint:fix": "eslint --fix packages",
diff --git a/packages/standard-components/package.json b/packages/standard-components/package.json
index 1325a3ad32..7cf1a9a47c 100644
--- a/packages/standard-components/package.json
+++ b/packages/standard-components/package.json
@@ -41,6 +41,7 @@
     "d3-selection": "^1.4.2",
     "fast-sort": "^2.2.0",
     "fusioncharts": "^3.15.1-sr.1",
+    "lodash.debounce": "^4.0.8",
     "svelte-flatpickr": "^2.4.0",
     "svelte-fusioncharts": "^1.0.0"
   }
diff --git a/packages/standard-components/src/DataForm.svelte b/packages/standard-components/src/DataForm.svelte
index 21d4623822..4709097fad 100644
--- a/packages/standard-components/src/DataForm.svelte
+++ b/packages/standard-components/src/DataForm.svelte
@@ -1,7 +1,8 @@
 <script>
   import { onMount } from "svelte"
   import { fade } from "svelte/transition"
-  import { Label } from "@budibase/bbui"
+  import { Label, DatePicker } from "@budibase/bbui"
+  import debounce from "lodash.debounce"
 
   export let _bb
   export let model
@@ -14,60 +15,52 @@
     number: "number",
   }
 
+  const DEFAULTS_FOR_TYPE = {
+    string: "",
+    boolean: false,
+    number: null,
+    link: [],
+  }
+
   let record
   let store = _bb.store
   let schema = {}
   let modelDef = {}
   let saved = false
-  let saving = false
   let recordId
   let isNew = true
-
-  let inputElements = {}
+  let errors = {}
 
   $: if (model && model.length !== 0) {
     fetchModel()
   }
 
-  $: fields = Object.keys(schema)
+  $: fields = schema ? Object.keys(schema) : []
 
-  $: Object.values(inputElements).length && setForm(record)
+  $: errorMessages = Object.entries(errors).map(
+    ([field, message]) => `${field} ${message}`
+  )
 
-  const createBlankRecord = () => {
-    if (!schema) return
-    const newrecord = {
-      modelId: model,
-    }
-    for (let fieldName in schema) {
-      const field = schema[fieldName]
-      // defaulting to first one, as a blank value will fail validation
-      if (
-        field.type === "string" &&
-        field.constraints &&
-        field.constraints.inclusion &&
-        field.constraints.inclusion.length > 0
-      ) {
-        newrecord[fieldName] = field.constraints.inclusion[0]
-      } else if (field.type === "number") newrecord[fieldName] = null
-      else if (field.type === "boolean") newrecord[fieldName] = false
-      else if (field.type === "link") newrecord[fieldName] = []
-      else newrecord[fieldName] = ""
-    }
-    return newrecord
-  }
+  $: console.log(record)
 
   async function fetchModel() {
     const FETCH_MODEL_URL = `/api/models/${model}`
     const response = await _bb.api.get(FETCH_MODEL_URL)
     modelDef = await response.json()
     schema = modelDef.schema
-    record = createBlankRecord()
+    // record = createBlankRecord()
+    record = {
+      modelId: model,
+    }
   }
 
-  async function save() {
-    // prevent double clicking firing multiple requests
-    if (saving) return
-    saving = true
+  const save = debounce(async () => {
+    for (let field of fields) {
+      // Assign defaults to empty fields to prevent validation issues
+      if (!(field in record))
+        record[field] = DEFAULTS_FOR_TYPE[schema[field].type]
+    }
+
     const SAVE_RECORD_URL = `/api/${model}/records`
     const response = await _bb.api.post(SAVE_RECORD_URL, record)
 
@@ -79,13 +72,11 @@
         return state
       })
 
+      errors = {}
+
       // wipe form, if new record, otherwise update
       // model to get new _rev
-      if (isNew) {
-        resetForm()
-      } else {
-        record = json
-      }
+      record = isNew ? { modelId: model } : json
 
       // set saved, and unset after 1 second
       // i.e. make the success notifier appear, then disappear again after time
@@ -94,69 +85,27 @@
         saved = false
       }, 1000)
     }
-    saving = false
-  }
 
-  // we cannot use svelte bind on these inputs, as it does not allow
-  // bind, when the input type is dynamic
-  const resetForm = () => {
-    for (let el of Object.values(inputElements)) {
-      el.value = ""
-      if (el.checked) {
-        el.checked = false
-      }
+    if (response.status === 400) {
+      errors = json.errors
     }
-    record = createBlankRecord()
-  }
+  })
 
-  const setForm = rec => {
-    if (isNew || !rec) return
-    for (let fieldName in inputElements) {
-      if (typeof rec[fieldName] === "boolean") {
-        inputElements[fieldName].checked = rec[fieldName]
-      } else {
-        inputElements[fieldName].value = rec[fieldName]
-      }
-    }
-  }
-
-  const handleInput = field => event => {
-    let value
-
-    if (event.target.type === "checkbox") {
-      value = event.target.checked
-      record[field] = value
-      return
-    }
-
-    if (event.target.type === "number") {
-      value = parseInt(event.target.value)
-      record[field] = value
-      return
-    }
-
-    value = event.target.value
-    record[field] = value
-  }
-
-  onMount(() => {
+  onMount(async () => {
     const routeParams = _bb.routeParams()
     recordId =
       Object.keys(routeParams).length > 0 && (routeParams.id || routeParams[0])
     isNew = !recordId || recordId === "new"
 
     if (isNew) {
-      record = createBlankRecord()
-    } else {
-      const GET_RECORD_URL = `/api/${model}/records/${recordId}`
-      _bb.api
-        .get(GET_RECORD_URL)
-        .then(response => response.json())
-        .then(rec => {
-          record = rec
-          setForm(rec)
-        })
+      record = { modelId: model }
+      return
     }
+
+    const GET_RECORD_URL = `/api/${model}/records/${recordId}`
+    const response = await _bb.api.get(GET_RECORD_URL)
+    const json = await response.json()
+    record = json
   })
 </script>
 
@@ -164,23 +113,28 @@
   {#if title}
     <h1>{title}</h1>
   {/if}
+  {#each errorMessages as error}
+    <p class="error">{error}</p>
+  {/each}
   <hr />
   <div class="form-content">
     {#each fields as field}
       <div class="form-item">
         <Label small forAttr={'form-stacked-text'}>{field}</Label>
         {#if schema[field].type === 'string' && schema[field].constraints.inclusion}
-          <select on:blur={handleInput(field)} bind:this={inputElements[field]}>
+          <select bind:value={record[field]}>
             {#each schema[field].constraints.inclusion as opt}
               <option>{opt}</option>
             {/each}
           </select>
-        {:else}
-          <input
-            bind:this={inputElements[field]}
-            class="input"
-            type={TYPE_MAP[schema[field].type]}
-            on:change={handleInput(field)} />
+        {:else if schema[field].type === 'datetime'}
+          <DatePicker bind:value={record[field]} />
+        {:else if schema[field].type === 'boolean'}
+          <input class="input" type="checkbox" bind:value={record[field]} />
+        {:else if schema[field].type === 'number'}
+          <input class="input" type="number" bind:value={record[field]} />
+        {:else if schema[field].type === 'string'}
+          <input class="input" type="text" bind:value={record[field]} />
         {/if}
       </div>
       <hr />
@@ -302,4 +256,9 @@
     background-position: right 17px top 1.5em, right 10px top 1.5em;
     background-size: 7px 7px, 7px 7px;
   }
+
+  .error {
+    color: red;
+    font-weight: 500;
+  }
 </style>
diff --git a/packages/standard-components/src/DataFormWide.svelte b/packages/standard-components/src/DataFormWide.svelte
index 56011df569..99c5867d67 100644
--- a/packages/standard-components/src/DataFormWide.svelte
+++ b/packages/standard-components/src/DataFormWide.svelte
@@ -1,7 +1,8 @@
 <script>
   import { onMount } from "svelte"
   import { fade } from "svelte/transition"
-  import { Label } from "@budibase/bbui"
+  import { Label, DatePicker } from "@budibase/bbui"
+  import debounce from "lodash.debounce"
 
   export let _bb
   export let model
@@ -14,60 +15,52 @@
     number: "number",
   }
 
+  const DEFAULTS_FOR_TYPE = {
+    string: "",
+    boolean: false,
+    number: null,
+    link: [],
+  }
+
   let record
   let store = _bb.store
   let schema = {}
   let modelDef = {}
   let saved = false
-  let saving = false
   let recordId
   let isNew = true
-
-  let inputElements = {}
+  let errors = {}
 
   $: if (model && model.length !== 0) {
     fetchModel()
   }
 
-  $: fields = Object.keys(schema)
+  $: fields = schema ? Object.keys(schema) : []
 
-  $: Object.values(inputElements).length && setForm(record)
+  $: errorMessages = Object.entries(errors).map(
+    ([field, message]) => `${field} ${message}`
+  )
 
-  const createBlankRecord = () => {
-    if (!schema) return
-    const newrecord = {
-      modelId: model,
-    }
-    for (let fieldName in schema) {
-      const field = schema[fieldName]
-      // defaulting to first one, as a blank value will fail validation
-      if (
-        field.type === "string" &&
-        field.constraints &&
-        field.constraints.inclusion &&
-        field.constraints.inclusion.length > 0
-      ) {
-        newrecord[fieldName] = field.constraints.inclusion[0]
-      } else if (field.type === "number") newrecord[fieldName] = null
-      else if (field.type === "boolean") newrecord[fieldName] = false
-      else if (field.type === "link") newrecord[fieldName] = []
-      else newrecord[fieldName] = ""
-    }
-    return newrecord
-  }
+  $: console.log(record)
 
   async function fetchModel() {
     const FETCH_MODEL_URL = `/api/models/${model}`
     const response = await _bb.api.get(FETCH_MODEL_URL)
     modelDef = await response.json()
     schema = modelDef.schema
-    record = createBlankRecord()
+    // record = createBlankRecord()
+    record = {
+      modelId: model,
+    }
   }
 
-  async function save() {
-    // prevent double clicking firing multiple requests
-    if (saving) return
-    saving = true
+  const save = debounce(async () => {
+    for (let field of fields) {
+      // Assign defaults to empty fields to prevent validation issues
+      if (!(field in record))
+        record[field] = DEFAULTS_FOR_TYPE[schema[field].type]
+    }
+
     const SAVE_RECORD_URL = `/api/${model}/records`
     const response = await _bb.api.post(SAVE_RECORD_URL, record)
 
@@ -79,13 +72,11 @@
         return state
       })
 
+      errors = {}
+
       // wipe form, if new record, otherwise update
       // model to get new _rev
-      if (isNew) {
-        resetForm()
-      } else {
-        record = json
-      }
+      record = isNew ? { modelId: model } : json
 
       // set saved, and unset after 1 second
       // i.e. make the success notifier appear, then disappear again after time
@@ -94,69 +85,27 @@
         saved = false
       }, 1000)
     }
-    saving = false
-  }
 
-  // we cannot use svelte bind on these inputs, as it does not allow
-  // bind, when the input type is dynamic
-  const resetForm = () => {
-    for (let el of Object.values(inputElements)) {
-      el.value = ""
-      if (el.checked) {
-        el.checked = false
-      }
+    if (response.status === 400) {
+      errors = json.errors
     }
-    record = createBlankRecord()
-  }
+  })
 
-  const setForm = rec => {
-    if (isNew || !rec) return
-    for (let fieldName in inputElements) {
-      if (typeof rec[fieldName] === "boolean") {
-        inputElements[fieldName].checked = rec[fieldName]
-      } else {
-        inputElements[fieldName].value = rec[fieldName]
-      }
-    }
-  }
-
-  const handleInput = field => event => {
-    let value
-
-    if (event.target.type === "checkbox") {
-      value = event.target.checked
-      record[field] = value
-      return
-    }
-
-    if (event.target.type === "number") {
-      value = parseInt(event.target.value)
-      record[field] = value
-      return
-    }
-
-    value = event.target.value
-    record[field] = value
-  }
-
-  onMount(() => {
+  onMount(async () => {
     const routeParams = _bb.routeParams()
     recordId =
       Object.keys(routeParams).length > 0 && (routeParams.id || routeParams[0])
     isNew = !recordId || recordId === "new"
 
     if (isNew) {
-      record = createBlankRecord()
-    } else {
-      const GET_RECORD_URL = `/api/${model}/records/${recordId}`
-      _bb.api
-        .get(GET_RECORD_URL)
-        .then(response => response.json())
-        .then(rec => {
-          record = rec
-          setForm(rec)
-        })
+      record = { modelId: model }
+      return
     }
+
+    const GET_RECORD_URL = `/api/${model}/records/${recordId}`
+    const response = await _bb.api.get(GET_RECORD_URL)
+    const json = await response.json()
+    record = json
   })
 </script>
 
@@ -164,23 +113,28 @@
   {#if title}
     <h1>{title}</h1>
   {/if}
+  {#each errorMessages as error}
+    <p class="error">{error}</p>
+  {/each}
   <hr />
   <div class="form-content">
     {#each fields as field}
       <div class="form-item">
         <Label small forAttr={'form-stacked-text'}>{field}</Label>
         {#if schema[field].type === 'string' && schema[field].constraints.inclusion}
-          <select on:blur={handleInput(field)} bind:this={inputElements[field]}>
+          <select bind:value={record[field]}>
             {#each schema[field].constraints.inclusion as opt}
               <option>{opt}</option>
             {/each}
           </select>
-        {:else}
-          <input
-            bind:this={inputElements[field]}
-            class="input"
-            type={TYPE_MAP[schema[field].type]}
-            on:change={handleInput(field)} />
+        {:else if schema[field].type === 'datetime'}
+          <DatePicker bind:value={record[field]} />
+        {:else if schema[field].type === 'boolean'}
+          <input class="input" type="checkbox" bind:checked={record[field]} />
+        {:else if schema[field].type === 'number'}
+          <input class="input" type="number" bind:value={record[field]} />
+        {:else if schema[field].type === 'string'}
+          <input class="input" type="text" bind:value={record[field]} />
         {/if}
       </div>
       <hr />
@@ -293,4 +247,9 @@
     background-position: right 17px top 1.5em, right 10px top 1.5em;
     background-size: 7px 7px, 7px 7px;
   }
+
+  .error {
+    color: red;
+    font-weight: 500;
+  }
 </style>