From 385bcfe51fb5f54f3dfba4aff438787a1d30d292 Mon Sep 17 00:00:00 2001
From: Martin McKeaveney <martin@shogunsystems.co.uk>
Date: Fri, 29 May 2020 16:06:23 +0100
Subject: [PATCH] styling, bug fixes, client library state updates

---
 .../builderStore/store/workflow/Workflow.js   |   9 +-
 .../workflow/SetupPanel/SetupPanel.svelte     |  42 ++---
 .../WorkflowBuilder/WorkflowBuilder.svelte    |  10 +-
 .../WorkflowList/WorkflowList.svelte          |   6 +
 .../WorkflowPanel/WorkflowPanel.svelte        |  36 +++--
 .../[application]/workflow/_layout.svelte     |   8 +-
 .../client/src/api/workflow/orchestrator.js   |  19 +++
 packages/client/src/createApp.js              |  24 ++-
 packages/client/src/state/bbComponentApi.js   |   9 +-
 packages/client/src/state/eventHandlers.js    |   6 +-
 packages/client/src/state/stateManager.js     | 143 +++++++++---------
 11 files changed, 166 insertions(+), 146 deletions(-)

diff --git a/packages/builder/src/builderStore/store/workflow/Workflow.js b/packages/builder/src/builderStore/store/workflow/Workflow.js
index 4a7daa5279..2b495ef49b 100644
--- a/packages/builder/src/builderStore/store/workflow/Workflow.js
+++ b/packages/builder/src/builderStore/store/workflow/Workflow.js
@@ -40,8 +40,13 @@ export default class Workflow {
       block = block.next
     }
 
-    // delete the block found
-    previous.next = block.next || {}
+    // delete the block matching your id
+    if (!block.next) {
+      delete previous.next
+    } else {
+      previous.next = block.next
+    }
+
   }
 
   createUiTree() {
diff --git a/packages/builder/src/pages/[application]/workflow/SetupPanel/SetupPanel.svelte b/packages/builder/src/pages/[application]/workflow/SetupPanel/SetupPanel.svelte
index a7417002de..d91eb3ffaf 100644
--- a/packages/builder/src/pages/[application]/workflow/SetupPanel/SetupPanel.svelte
+++ b/packages/builder/src/pages/[application]/workflow/SetupPanel/SetupPanel.svelte
@@ -1,14 +1,15 @@
 <script>
   import { onMount, getContext } from "svelte"
   import { backendUiStore, workflowStore } from "builderStore"
-  import { notifier } from "@beyonk/svelte-notifications";
+  import { notifier } from "@beyonk/svelte-notifications"
   import api from "builderStore/api"
   import WorkflowBlockSetup from "./WorkflowBlockSetup.svelte"
   import DeleteWorkflowModal from "./DeleteWorkflowModal.svelte"
 
   const { open, close } = getContext("simple-modal")
 
-  $: workflow = $workflowStore.currentWorkflow && $workflowStore.currentWorkflow.workflow
+  $: workflow =
+    $workflowStore.currentWorkflow && $workflowStore.currentWorkflow.workflow
   $: workflowBlock = $workflowStore.selectedWorkflowBlock
 
   function deleteWorkflow() {
@@ -23,7 +24,7 @@
 
   function deleteWorkflowBlock() {
     workflowStore.actions.deleteWorkflowBlock(workflowBlock)
-    notifier.info("Workflow block deleted.");
+    notifier.info("Workflow block deleted.")
   }
 </script>
 
@@ -31,15 +32,15 @@
   <header>
     <span>Setup</span>
   </header>
-  <div class="panel-body">
-    {#if workflowBlock}
-      <WorkflowBlockSetup {workflowBlock} />
-      <button
-        class="delete-workflow-button hoverable"
-        on:click={deleteWorkflowBlock}>
-        Delete Block
-      </button>
-    {:else if $workflowStore.currentWorkflow}
+  {#if workflowBlock}
+    <WorkflowBlockSetup {workflowBlock} />
+    <button
+      class="delete-workflow-button hoverable"
+      on:click={deleteWorkflowBlock}>
+      Delete Block
+    </button>
+  {:else if $workflowStore.currentWorkflow}
+    <div class="panel-body">
       <label class="uk-form-label">Workflow: {workflow.name}</label>
       <div class="uk-margin">
         <label class="uk-form-label">Name</label>
@@ -54,19 +55,22 @@
         <label class="uk-form-label">User Access</label>
         Some User Access Stuff Here
       </div>
-      <button
-        class="delete-workflow-button hoverable"
-        on:click={deleteWorkflow}>
-        Delete Workflow
-      </button>
-    {/if}
-  </div>
+    </div>
+    <button class="delete-workflow-button hoverable" on:click={deleteWorkflow}>
+      Delete Workflow
+    </button>
+  {/if}
 </section>
 
 <style>
   section {
     display: flex;
     flex-direction: column;
+    height: 100%;
+  }
+
+  .panel-body {
+    flex: 1;
   }
 
   header {
diff --git a/packages/builder/src/pages/[application]/workflow/WorkflowBuilder/WorkflowBuilder.svelte b/packages/builder/src/pages/[application]/workflow/WorkflowBuilder/WorkflowBuilder.svelte
index 4ac10ca557..af3b108b7b 100644
--- a/packages/builder/src/pages/[application]/workflow/WorkflowBuilder/WorkflowBuilder.svelte
+++ b/packages/builder/src/pages/[application]/workflow/WorkflowBuilder/WorkflowBuilder.svelte
@@ -14,16 +14,10 @@
 
   $: workflowLive = selectedWorkflow && selectedWorkflow.workflow.live
 
-  $: if (selectedWorkflow)
-    uiTree = selectedWorkflow ? selectedWorkflow.createUiTree() : []
+  $: uiTree = selectedWorkflow ? selectedWorkflow.createUiTree() : []
 
   $: instanceId = $backendUiStore.selectedDatabase._id
 
-  function onDelete(block) {
-    // TODO finish
-    workflowStore.actions.deleteWorkflowBlock(block)
-  }
-
   function onSelect(block) {
     workflowStore.update(state => {
       state.selectedWorkflowBlock = block
@@ -44,7 +38,7 @@
 </script>
 
 <section>
-  <Flowchart blocks={uiTree} {onSelect} on:delete={onDelete} />
+  <Flowchart blocks={uiTree} {onSelect} />
   <footer>
     {#if selectedWorkflow}
       <button
diff --git a/packages/builder/src/pages/[application]/workflow/WorkflowPanel/WorkflowList/WorkflowList.svelte b/packages/builder/src/pages/[application]/workflow/WorkflowPanel/WorkflowList/WorkflowList.svelte
index 2dc3e05a80..215d954d57 100644
--- a/packages/builder/src/pages/[application]/workflow/WorkflowPanel/WorkflowList/WorkflowList.svelte
+++ b/packages/builder/src/pages/[application]/workflow/WorkflowPanel/WorkflowList/WorkflowList.svelte
@@ -59,6 +59,11 @@
 </section>
 
 <style>
+  section {
+    display: flex;
+    flex-direction: column;
+  }
+
   i {
     color: #adaec4;
   }
@@ -70,6 +75,7 @@
   ul {
     list-style-type: none;
     padding: 0;
+    flex: 1;
   }
 
   .live {
diff --git a/packages/builder/src/pages/[application]/workflow/WorkflowPanel/WorkflowPanel.svelte b/packages/builder/src/pages/[application]/workflow/WorkflowPanel/WorkflowPanel.svelte
index 016c789c64..c831ed0304 100644
--- a/packages/builder/src/pages/[application]/workflow/WorkflowPanel/WorkflowPanel.svelte
+++ b/packages/builder/src/pages/[application]/workflow/WorkflowPanel/WorkflowPanel.svelte
@@ -9,29 +9,27 @@
   let definitions = []
 </script>
 
-<section>
-  <header>
+<header>
+  <span
+    class="hoverable"
+    class:selected={selectedTab === 'WORKFLOWS'}
+    on:click={() => (selectedTab = 'WORKFLOWS')}>
+    Workflows
+  </span>
+  {#if $workflowStore.currentWorkflow}
     <span
       class="hoverable"
-      class:selected={selectedTab === 'WORKFLOWS'}
-      on:click={() => (selectedTab = 'WORKFLOWS')}>
-      Workflows
+      class:selected={selectedTab === 'ADD'}
+      on:click={() => (selectedTab = 'ADD')}>
+      Add
     </span>
-    {#if $workflowStore.currentWorkflow}
-      <span
-        class="hoverable"
-        class:selected={selectedTab === 'ADD'}
-        on:click={() => (selectedTab = 'ADD')}>
-        Add
-      </span>
-    {/if}
-  </header>
-  {#if selectedTab === 'WORKFLOWS'}
-    <WorkflowList />
-  {:else if selectedTab === 'ADD'}
-    <BlockList />
   {/if}
-</section>
+</header>
+{#if selectedTab === 'WORKFLOWS'}
+  <WorkflowList />
+{:else if selectedTab === 'ADD'}
+  <BlockList />
+{/if}
 
 <style>
   header {
diff --git a/packages/builder/src/pages/[application]/workflow/_layout.svelte b/packages/builder/src/pages/[application]/workflow/_layout.svelte
index f1cd9e76dd..6a1a5dcb53 100644
--- a/packages/builder/src/pages/[application]/workflow/_layout.svelte
+++ b/packages/builder/src/pages/[application]/workflow/_layout.svelte
@@ -22,11 +22,6 @@
     background: var(--background);
   }
 
-  .nav {
-    padding: 20px;
-    height: 100%;
-  }
-
   .root {
     height: 100%;
     display: flex;
@@ -39,10 +34,9 @@
   }
 
   .nav {
+    padding: 20px;
     overflow: auto;
-    flex: 0 1 auto;
     width: 275px;
-    height: 100%;
     border: 1px solid var(--medium-grey);
     background: var(--white);
   }
diff --git a/packages/client/src/api/workflow/orchestrator.js b/packages/client/src/api/workflow/orchestrator.js
index fe474bdd30..7d28915d92 100644
--- a/packages/client/src/api/workflow/orchestrator.js
+++ b/packages/client/src/api/workflow/orchestrator.js
@@ -91,6 +91,25 @@ export const clientStrategy = {
       if (block.actionId === "DELAY") {
         await this.delay(block.args.time)       
       }
+
+      if (block.actionId === "FILTER") {
+        const { field, condition, value } = block.args;
+        switch (condition) {
+          case "=":
+            if (field !== value) return;
+            break;
+          case "!=":
+            if (field === value) return;
+            break;
+          case "gt":
+            if (field < value) return;
+            break;
+          case "lt":
+            if (field > value) return;
+          default:
+            return;
+        }
+      }
     }
 
     // this workflow block gets executed on the server
diff --git a/packages/client/src/createApp.js b/packages/client/src/createApp.js
index 243ea4c1a7..37e560bb87 100644
--- a/packages/client/src/createApp.js
+++ b/packages/client/src/createApp.js
@@ -24,9 +24,8 @@ export const createApp = ({
         routeTo,
         appRootPath: frontendDefinition.appRootPath,
       })
-      const getAttachChildrenParams = attachChildrenParams(stateManager)
       screenSlotNode.props._children = [screen.props]
-      const initialiseChildParams = getAttachChildrenParams(screenSlotNode)
+      const initialiseChildParams = attachChildrenParams(stateManager, screenSlotNode)
       attachChildren(initialiseChildParams)(screenSlotNode.rootElement, {
         hydrate: true,
         force: true,
@@ -48,17 +47,13 @@ export const createApp = ({
     routeTo(currentUrl || fallbackPath)
   }
 
-  const attachChildrenParams = stateManager => {
-    const getInitialiseParams = treeNode => ({
-      componentLibraries,
-      treeNode,
-      onScreenSlotRendered,
-      setupState: stateManager.setup,
-      getCurrentState: stateManager.getCurrentState,
-    })
-
-    return getInitialiseParams
-  }
+  const attachChildrenParams = (stateManager, treeNode) => ({
+    componentLibraries,
+    treeNode,
+    onScreenSlotRendered,
+    setupState: stateManager.setup,
+    getCurrentState: stateManager.getCurrentState,
+  });
 
   let rootTreeNode
   const pageStateManager = createStateManager({
@@ -79,8 +74,7 @@ export const createApp = ({
       _children: [page.props],
     }
     rootTreeNode.rootElement = target
-    const getInitialiseParams = attachChildrenParams(pageStateManager)
-    const initChildParams = getInitialiseParams(rootTreeNode)
+    const initChildParams = attachChildrenParams(pageStateManager, rootTreeNode)
 
     attachChildren(initChildParams)(target, {
       hydrate: true,
diff --git a/packages/client/src/state/bbComponentApi.js b/packages/client/src/state/bbComponentApi.js
index 2de94cd749..9b904741ba 100644
--- a/packages/client/src/state/bbComponentApi.js
+++ b/packages/client/src/state/bbComponentApi.js
@@ -40,6 +40,13 @@ export const bbFactory = ({
     delete: apiCall("DELETE"),
   }
 
+  const safeCallEvent = (event, context) => {
+    const isFunction = obj =>
+      !!(obj && obj.constructor && obj.call && obj.apply)
+
+    if (isFunction(event)) event(context)
+  }
+
   return (treeNode, setupState) => {
     const attachParams = {
       componentLibraries,
@@ -53,7 +60,7 @@ export const bbFactory = ({
       attachChildren: attachChildren(attachParams),
       context: treeNode.context,
       props: treeNode.props,
-      call: (event, context) => event(context),
+      call: safeCallEvent,
       setStateFromBinding: (binding, value) =>
         setStateFromBinding(store, binding, value),
       setState: (path, value) => setState(store, path, value),
diff --git a/packages/client/src/state/eventHandlers.js b/packages/client/src/state/eventHandlers.js
index 4beaf3cd26..c4471bafbf 100644
--- a/packages/client/src/state/eventHandlers.js
+++ b/packages/client/src/state/eventHandlers.js
@@ -29,12 +29,8 @@ export const eventHandlers = (store, rootPath, routeTo) => {
 
   return {
     "Set State": handler(["path", "value"], setStateHandler),
-    "Load Record": handler(["recordKey", "statePath"], api.loadRecord),
-    "List Records": handler(["indexKey", "statePath"], api.listRecords),
-    "Save Record": handler(["statePath"], api.saveRecord),
     "Navigate To": handler(["url"], param => routeTo(param && param.url)),
-    "Trigger Workflow": handler(["workflow"], api.triggerWorkflow),
-    Authenticate: handler(["username", "password"], api.authenticate),
+    "Trigger Workflow": handler(["workflow"], api.triggerWorkflow)
   }
 }
 
diff --git a/packages/client/src/state/stateManager.js b/packages/client/src/state/stateManager.js
index 7bc055099d..208b8f35c8 100644
--- a/packages/client/src/state/stateManager.js
+++ b/packages/client/src/state/stateManager.js
@@ -4,6 +4,7 @@ import {
   EVENT_TYPE_MEMBER_NAME,
 } from "./eventHandlers"
 import { bbFactory } from "./bbComponentApi"
+import { createTreeNode } from "../render/prepareRenderComponent"
 import { getState } from "./getState"
 import { attachChildren } from "../render/attachChildren"
 import mustache from "mustache"
@@ -34,16 +35,16 @@ export const createStateManager = ({
   let currentState
 
   // any nodes that have props that are bound to the store
-  let nodesBoundByProps = []
+  // let nodesBoundByProps = []
 
   // any node whose children depend on code, that uses the store
-  let nodesWithCodeBoundChildren = []
+  // let nodesWithCodeBoundChildren = []
 
   const getCurrentState = () => currentState
-  const registerBindings = _registerBindings(
-    nodesBoundByProps,
-    nodesWithCodeBoundChildren
-  )
+  // const registerBindings = _registerBindings(
+  //   nodesBoundByProps,
+  //   nodesWithCodeBoundChildren
+  // )
   const bb = bbFactory({
     store,
     getCurrentState,
@@ -52,14 +53,14 @@ export const createStateManager = ({
     onScreenSlotRendered,
   })
 
-  const setup = _setup(handlerTypes, getCurrentState, registerBindings, bb)
+  const setup = _setup(handlerTypes, getCurrentState, bb)
 
   const unsubscribe = store.subscribe(
     onStoreStateUpdated({
-      setCurrentState: s => (currentState = s),
+      setCurrentState: state => (currentState = state),
       getCurrentState,
-      nodesWithCodeBoundChildren,
-      nodesBoundByProps,
+      // nodesWithCodeBoundChildren,
+      // nodesBoundByProps,
       componentLibraries,
       onScreenSlotRendered,
       setupState: setup,
@@ -77,91 +78,93 @@ export const createStateManager = ({
 const onStoreStateUpdated = ({
   setCurrentState,
   getCurrentState,
-  nodesWithCodeBoundChildren,
-  // nodesBoundByProps,
   componentLibraries,
   onScreenSlotRendered,
   setupState,
 }) => state => {
-  setCurrentState(state)
-
-  // the original array gets changed by components' destroy()
-  // so we make a clone and check if they are still in the original
-  const nodesWithBoundChildren_clone = [...nodesWithCodeBoundChildren]
-  for (let node of nodesWithBoundChildren_clone) {
-    if (!nodesWithCodeBoundChildren.includes(node)) continue
+    setCurrentState(state)
     attachChildren({
       componentLibraries,
-      treeNode: node,
+      treeNode: createTreeNode(),
       onScreenSlotRendered,
       setupState,
       getCurrentState,
-    })(node.rootElement, { hydrate: true, force: true })
-  }
+    })(document.querySelector("#app"), { hydrate: true, force: true })
 
-  // for (let node of nodesBoundByProps) {
-  //   setNodeState(state, node)
+  // // the original array gets changed by components' destroy()
+  // // so we make a clone and check if they are still in the original
+  // const nodesWithBoundChildren_clone = [...nodesWithCodeBoundChildren]
+  // for (let node of nodesWithBoundChildren_clone) {
+  //   if (!nodesWithCodeBoundChildren.includes(node)) continue
+  //   attachChildren({
+  //     componentLibraries,
+  //     treeNode: node,
+  //     onScreenSlotRendered,
+  //     setupState,
+  //     getCurrentState,
+  //   })(node.rootElement, { hydrate: true, force: true })
   // }
 }
 
-const _registerBindings = (nodesBoundByProps, nodesWithCodeBoundChildren) => (
-  node,
-  bindings
-) => {
-  if (bindings.length > 0) {
-    node.bindings = bindings
-    nodesBoundByProps.push(node)
-    const onDestroy = () => {
-      nodesBoundByProps = nodesBoundByProps.filter(n => n === node)
-      node.onDestroy = node.onDestroy.filter(d => d === onDestroy)
-    }
-    node.onDestroy.push(onDestroy)
-  }
-  if (
-    node.props._children &&
-    node.props._children.filter(c => c._codeMeta && c._codeMeta.dependsOnStore)
-      .length > 0
-  ) {
-    nodesWithCodeBoundChildren.push(node)
-    const onDestroy = () => {
-      nodesWithCodeBoundChildren = nodesWithCodeBoundChildren.filter(
-        n => n === node
-      )
-      node.onDestroy = node.onDestroy.filter(d => d === onDestroy)
-    }
-    node.onDestroy.push(onDestroy)
-  }
-}
+// const _registerBindings = (nodesBoundByProps, nodesWithCodeBoundChildren) => (
+//   node,
+//   bindings
+// ) => {
+//   if (bindings.length > 0) {
+//     node.bindings = bindings
+//     nodesBoundByProps.push(node)
+//     const onDestroy = () => {
+//       nodesBoundByProps = nodesBoundByProps.filter(n => n === node)
+//       node.onDestroy = node.onDestroy.filter(d => d === onDestroy)
+//     }
+//     node.onDestroy.push(onDestroy)
+//   }
+//   if (
+//     node.props._children &&
+//     node.props._children.filter(c => c._codeMeta && c._codeMeta.dependsOnStore)
+//       .length > 0
+//   ) {
+//     nodesWithCodeBoundChildren.push(node)
+//     const onDestroy = () => {
+//       nodesWithCodeBoundChildren = nodesWithCodeBoundChildren.filter(
+//         n => n === node
+//       )
+//       node.onDestroy = node.onDestroy.filter(d => d === onDestroy)
+//     }
+//     node.onDestroy.push(onDestroy)
+//   }
+// }
 
-const setNodeState = (storeState, node) => {
-  if (!node.component) return
-  const newProps = { ...node.bindings.initialProps }
+// const setNodeState = (storeState, node) => {
+//   if (!node.component) return
+//   const newProps = { ...node.bindings.initialProps }
 
-  for (let binding of node.bindings) {
-    const val = getState(storeState, binding.path, binding.fallback)
+//   for (let binding of node.bindings) {
+//     const val = getState(storeState, binding.path, binding.fallback)
 
-    if (val === undefined && newProps[binding.propName] !== undefined) {
-      delete newProps[binding.propName]
-    }
+//     if (val === undefined && newProps[binding.propName] !== undefined) {
+//       delete newProps[binding.propName]
+//     }
 
-    if (val !== undefined) {
-      newProps[binding.propName] = val
-    }
-  }
+//     if (val !== undefined) {
+//       newProps[binding.propName] = val
+//     }
+//   }
 
-  node.component.$set(newProps)
-}
+//   node.component.$set(newProps)
+// }
 
 const _setup = (
   handlerTypes,
   getCurrentState,
-  registerBindings,
   bb
 ) => node => {
+
+  console.log(node);
   const props = node.props
   const context = node.context || {}
   const initialProps = { ...props }
-  const storeBoundProps = []
+  // const storeBoundProps = []
   const currentStoreState = getCurrentState()
 
   for (let propName in props) {
@@ -249,9 +252,9 @@ const _setup = (
     }
   }
 
-  registerBindings(node, storeBoundProps)
+  // registerBindings(node, storeBoundProps)
 
-  const setup = _setup(handlerTypes, getCurrentState, registerBindings, bb)
+  const setup = _setup(handlerTypes, getCurrentState, bb)
   initialProps._bb = bb(node, setup)
 
   return initialProps