Added preview component with preview support for campaigns and templates

2018-10-26 11:18:17 +05:30 · 2018-10-26 11:18:17 +05:30 · a1b5a39cfb
parent 2121c250ff
commit a1b5a39cfb
12 changed files with 200 additions and 85 deletions
--- a/campaigns.go
+++ b/campaigns.go
@ -89,26 +89,26 @@ func handlePreviewCampaign(c echo.Context) error {
 	var (
 		app   = c.Get("app").(*App)
 		id, _ = strconv.Atoi(c.Param("id"))
-		camps models.Campaigns
+		body  = c.FormValue("body")
+
+		camp models.Campaign
 	)

 	if id < 1 {
 		return echo.NewHTTPError(http.StatusBadRequest, "Invalid ID.")
 	}

-	err := app.Queries.GetCampaigns.Select(&camps, id, "", 0, 1)
+	err := app.Queries.GetCampaignForPreview.Get(&camp, id)
 	if err != nil {
-		return echo.NewHTTPError(http.StatusInternalServerError,
-			fmt.Sprintf("Error fetching campaign: %s", pqErrMsg(err)))
-	} else if len(camps) == 0 {
+		if err == sql.ErrNoRows {
 			return echo.NewHTTPError(http.StatusBadRequest, "Campaign not found.")
 		}

-	var (
-		camp = camps[0]
-		sub  models.Subscriber
-	)
+		return echo.NewHTTPError(http.StatusInternalServerError,
+			fmt.Sprintf("Error fetching campaign: %s", pqErrMsg(err)))
+	}

+	var sub models.Subscriber
 	// Get a random subscriber from the campaign.
 	if err := app.Queries.GetOneCampaignSubscriber.Get(&sub, camp.ID); err != nil {
 		if err == sql.ErrNoRows {
@ -126,7 +126,10 @@ func handlePreviewCampaign(c echo.Context) error {
 	}

 	// Compile the template.
-	tpl, err := runner.CompileMessageTemplate(`{{ template "content" . }}`, camp.Body)
+	if body == "" {
+		body = camp.Body
+	}
+	tpl, err := runner.CompileMessageTemplate(camp.TemplateBody, body)
 	if err != nil {
 		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Error compiling template: %v", err))
 	}
--- a/frontend/my/src/Campaign.js
+++ b/frontend/my/src/Campaign.js
@ -2,6 +2,7 @@ import React from "react"
 import { Modal, Tabs, Row, Col, Form, Switch, Select, Radio, Tag, Input, Button, Icon, Spin, DatePicker, Popconfirm, notification } from "antd"
 import * as cs from "./constants"
 import Media from "./Media"
+import ModalPreview from "./ModalPreview"

 import moment from 'moment'
 import ReactQuill from "react-quill"
@ -352,6 +353,7 @@ class Campaign extends React.PureComponent {
        record: {},
        contentType: "richtext",
        messengers: [],
+        previewRecord: null,
        body: "",
        currentTab: "form",
        editor: null,
@ -405,6 +407,10 @@ class Campaign extends React.PureComponent {
        this.setState({ currentTab: tab })
    }

+    handlePreview = (record) => {
+        this.setState({ previewRecord: record })
+    }
+
    render() {
        return (
            <section className="content campaign">
@ -457,7 +463,7 @@ class Campaign extends React.PureComponent {
                            formDisabled={ this.state.formDisabled }
                        />
                        <div className="content-actions">
-                            <p><Button icon="search">Preview</Button></p>
+                            <p><Button icon="search"  onClick={() => this.handlePreview(this.state.record)}>Preview</Button></p>
                        </div>
                    </Tabs.TabPane>
                </Tabs>
@ -471,8 +477,19 @@ class Campaign extends React.PureComponent {
                            insertMedia: this.state.editor ? this.state.editor.insertMedia : null,
                            onCancel: this.toggleMedia,
                            onOk: this.toggleMedia
-                    } } />
+                        }} />
                </Modal>
+
+                { this.state.previewRecord &&
+                    <ModalPreview
+                        title={ this.state.previewRecord.name }
+                        body={ this.state.body }
+                        previewURL={ cs.Routes.PreviewCampaign.replace(":id", this.state.previewRecord.id) }
+                        onCancel={() => {
+                            this.setState({ previewRecord: null })
+                        }}
+                    />
+                }
            </section>
        )
    }
--- a/frontend/my/src/Campaigns.js
+++ b/frontend/my/src/Campaigns.js
@ -4,6 +4,7 @@ import { Row, Col, Button, Table, Icon, Tooltip, Tag, Popconfirm, Progress, Moda
 import dayjs from "dayjs"
 import relativeTime from 'dayjs/plugin/relativeTime' 

+import ModalPreview from "./ModalPreview"
 import * as cs from "./constants"

 class Campaigns extends React.PureComponent {
@ -15,6 +16,7 @@ class Campaigns extends React.PureComponent {
        queryParams: "",
        stats: {},
        record: null,
+        previewRecord: null,
        cloneName: "",
        modalWaiting: false
    }
@ -110,10 +112,16 @@ class Campaigns extends React.PureComponent {
            title: "",
            dataIndex: "actions",
            className: "actions",
-            width: "10%",
+            width: "20%",
            render: (text, record) => {
                return (
                    <div className="actions">
+                        <Tooltip title="Preview campaign" placement="bottom">
+                            <a role="button" onClick={() => {
+                                this.handlePreview(record)
+                            }}><Icon type="search" /></a>
+                        </Tooltip>
+
                        <Tooltip title="Clone campaign" placement="bottom">
                            <a role="button" onClick={() => {
                                let r = { ...record, lists: record.lists.map((i) => { return i.id }) }
@ -352,6 +360,10 @@ class Campaigns extends React.PureComponent {
        })
    }

+    handlePreview = (record) => {
+        this.setState({ previewRecord: record })
+    }
+
    render() {
        const pagination = {
            ...this.paginationOptions,
@ -377,18 +389,15 @@ class Campaigns extends React.PureComponent {
                    pagination={ pagination }
                />

-                { this.state.record &&
-                    <Modal visible={ this.state.record } width="500px"
-                        className="clone-campaign-modal"
-                        title={ "Clone " + this.state.record.name}
-                        okText="Clone"
-                        confirmLoading={ this.state.modalWaiting }
-                        onCancel={ this.handleToggleCloneForm }
-                        onOk={() => { this.handleCloneCampaign({ ...this.state.record, name: this.state.cloneName }) }}>
-                            <Input autoFocus defaultValue={ this.state.record.name } style={{ width: "100%" }} onChange={(e) => {
-                                this.setState({ cloneName: e.target.value })
-                            }} />
-                    </Modal> }
+                { this.state.previewRecord &&
+                    <ModalPreview
+                        title={ this.state.previewRecord.name }
+                        previewURL={ cs.Routes.PreviewCampaign.replace(":id", this.state.previewRecord.id) }
+                        onCancel={() => {
+                            this.setState({ previewRecord: null })
+                        }}
+                    />
+                }
            </section>
        )
    }
--- a/frontend/my/src/ModalPreview.js
+++ b/frontend/my/src/ModalPreview.js
@ -0,0 +1,54 @@
+import React from "react"
+import { Modal } from "antd"
+import * as cs from "./constants"
+
+class ModalPreview extends React.PureComponent {
+    makeForm(body) {
+        let form = document.createElement("form")
+        form.method = cs.MethodPost
+        form.action = this.props.previewURL
+        form.target = "preview-iframe"
+
+        let input = document.createElement("input")
+        input.type = "hidden"
+        input.name = "body"
+        input.value = body
+        form.appendChild(input)
+        document.body.appendChild(form)
+        form.submit()
+    }
+
+    render () {
+        return (
+            <Modal visible={ true } title={ this.props.title }
+                className="preview-modal"
+                width="90%"
+                height={ 900 }
+                onCancel={ this.props.onCancel }
+                onOk={ this.props.onCancel }>
+                <div className="preview-iframe-container">
+                    <iframe title={ this.props.title ? this.props.title : "Preview" }
+                        name="preview-iframe"
+                        id="preview-iframe"
+                        className="preview-iframe"
+                        ref={(o) => {
+                            if(o) {
+                                // When the DOM reference for the iframe is ready,
+                                // see if there's a body to post with the form hack.
+                                if(this.props.body !== undefined
+                                    && this.props.body !== null) {
+                                    this.makeForm(this.props.body)
+                                }
+                            }
+                        }}
+                        src={ this.props.previewURL ? this.props.previewURL : "about:blank" }>
+                    </iframe>
+ 
+                </div>
+            </Modal>
+
+        )
+    }
+}
+
+export default ModalPreview
--- a/frontend/my/src/Templates.js
+++ b/frontend/my/src/Templates.js
@ -1,13 +1,16 @@
 import React from "react"
 import { Row, Col, Modal, Form, Input, Button, Table, Icon, Tooltip, Tag, Popconfirm, Spin, notification } from "antd"

+import ModalPreview from "./ModalPreview"
 import Utils from "./utils"
 import * as cs from "./constants"

 class CreateFormDef extends React.PureComponent {
    state = {
        confirmDirty: false,
-        modalWaiting: false
+        modalWaiting: false,
+        previewName: "",
+        previewBody: ""
    }

    // Handle create / edit form submission.
@ -50,6 +53,10 @@ class CreateFormDef extends React.PureComponent {
        this.setState({ confirmDirty: this.state.confirmDirty || !!value })
    }

+    handlePreview = (name, body) => {
+        this.setState({ previewName: name, previewBody: body })
+    }
+
    render() {
        const { formType, record, onClose } = this.props
        const { getFieldDecorator } = this.props.form
@ -64,6 +71,7 @@ class CreateFormDef extends React.PureComponent {
        }

        return (
+            <div>
                <Modal visible={ true } title={ formType === cs.FormCreate ? "Add template" : record.name }
                    okText={ this.state.form === cs.FormCreate ? "Add" : "Save" }
                    width="90%"
@ -82,10 +90,14 @@ class CreateFormDef extends React.PureComponent {
                            </Form.Item>
                            <Form.Item {...formItemLayout} name="body" label="Raw HTML">
                                {getFieldDecorator("body", { initialValue: record.body ? record.body : "", rules: [{ required: true }] })(
-                                <Input.TextArea autosize={{ minRows: 10, maxRows: 30 }}>
-                                </Input.TextArea>
+                                    <Input.TextArea autosize={{ minRows: 10, maxRows: 30 }} />
                                )}
                            </Form.Item>
+                            <Form.Item {...formItemLayout} colon={ false } label="&nbsp;">
+                                <Button icon="search"  onClick={ () => 
+                                    this.handlePreview(this.props.form.getFieldValue("name"), this.props.form.getFieldValue("body"))
+                                }>Preview</Button>
+                            </Form.Item>
                        </Form>
                    </Spin>
                    <Row>
@ -95,6 +107,18 @@ class CreateFormDef extends React.PureComponent {
                        </Col>
                    </Row>
                </Modal>
+
+                { this.state.previewBody &&
+                    <ModalPreview
+                        title={ this.state.previewName ? this.state.previewName : "Template preview" }
+                        previewURL={ cs.Routes.PreviewTemplate }
+                        body={ this.state.previewBody }
+                        onCancel={() => {
+                            this.setState({ previewBody: null, previewName: null })
+                        }}
+                    />
+                }
+            </div>
        )
    }
 }
@ -243,17 +267,15 @@ class Templates extends React.PureComponent {
                    fetchRecords = { this.fetchRecords }
                />

-                <Modal visible={ this.state.previewRecord !== null } title={ this.state.previewRecord ? this.state.previewRecord.name : "" }
-                    className="template-preview-modal"
-                    width="90%"
-                    height={ 900 }
-                    onOk={ () => { this.setState({ previewRecord: null }) } }>
-                    { this.state.previewRecord !== null &&
-                        <iframe title="Template preview"
-                                className="template-preview"
-                                src={ cs.Routes.PreviewTemplate.replace(":id", this.state.previewRecord.id) }>
-                        </iframe> }
-                </Modal>
+                { this.state.previewRecord &&
+                    <ModalPreview
+                        title={ this.state.previewRecord.name }
+                        previewURL={ cs.Routes.PreviewTemplate.replace(":id", this.state.previewRecord.id) }
+                        onCancel={() => {
+                            this.setState({ previewRecord: null })
+                        }}
+                    />
+                }
            </section>
        )
    }
--- a/frontend/my/src/constants.js
+++ b/frontend/my/src/constants.js
@ -60,6 +60,7 @@ export const Routes = {

    GetSubscribers: "/api/subscribers",
    GetSubscribersByList: "/api/subscribers/lists/:listID",
+    PreviewCampaign: "/api/campaigns/:id/preview",
    CreateSubscriber: "/api/subscribers",
    UpdateSubscriber: "/api/subscribers/:id",
    DeleteSubscriber: "/api/subscribers/:id",
@ -81,6 +82,7 @@ export const Routes = {

    GetTemplates: "/api/templates",
    PreviewTemplate: "/api/templates/:id/preview",
+    PreviewNewTemplate: "/api/templates/preview",
    CreateTemplate: "/api/templates",
    UpdateTemplate: "/api/templates/:id",
    SetDefaultTemplate: "/api/templates/:id/default",
--- a/frontend/my/src/index.css
+++ b/frontend/my/src/index.css
@ -253,12 +253,15 @@ td.actions {
 .templates .template-body {
  margin-top: 30px;
 }
-  .template-preview {
+  .preview-iframe-container {
+    min-height: 500px;
+  }
+  .preview-iframe {
    border: 0;
    width: 100%;
    height: 100%;
    min-height: 500px;
  }
-  .template-preview-modal .ant-modal-footer button:first-child {
+  .preview-modal .ant-modal-footer button:first-child {
    display: none;
  }
--- a/main.go
+++ b/main.go
@ -103,6 +103,7 @@ func registerHandlers(e *echo.Echo) {
 	e.GET("/api/campaigns/messengers", handleGetCampaignMessengers)
 	e.GET("/api/campaigns/:id", handleGetCampaigns)
 	e.GET("/api/campaigns/:id/preview", handlePreviewCampaign)
+	e.POST("/api/campaigns/:id/preview", handlePreviewCampaign)
 	e.POST("/api/campaigns", handleCreateCampaign)
 	e.PUT("/api/campaigns/:id", handleUpdateCampaign)
 	e.PUT("/api/campaigns/:id/status", handleUpdateCampaignStatus)
@ -115,6 +116,7 @@ func registerHandlers(e *echo.Echo) {
 	e.GET("/api/templates", handleGetTemplates)
 	e.GET("/api/templates/:id", handleGetTemplates)
 	e.GET("/api/templates/:id/preview", handlePreviewTemplate)
+	e.POST("/api/templates/preview", handlePreviewTemplate)
 	e.POST("/api/templates", handleCreateTemplate)
 	e.PUT("/api/templates/:id", handleUpdateTemplate)
 	e.PUT("/api/templates/:id/default", handleTemplateSetDefault)
--- a/queries.go
+++ b/queries.go
@ -27,6 +27,7 @@ type Queries struct {

 	CreateCampaign           *sqlx.Stmt `query:"create-campaign"`
 	GetCampaigns             *sqlx.Stmt `query:"get-campaigns"`
+	GetCampaignForPreview    *sqlx.Stmt `query:"get-campaign-for-preview"`
 	GetCampaignStats         *sqlx.Stmt `query:"get-campaign-stats"`
 	NextCampaigns            *sqlx.Stmt `query:"next-campaigns"`
 	NextCampaignSubscribers  *sqlx.Stmt `query:"next-campaign-subscribers"`
--- a/queries.sql
+++ b/queries.sql
@ -161,8 +161,7 @@ ORDER BY created_at DESC OFFSET $3 LIMIT $4;
 SELECT campaigns.*, COALESCE(templates.body, (SELECT body FROM templates WHERE is_default = true LIMIT 1)) AS template_body
 FROM campaigns
 LEFT JOIN templates ON (templates.id = campaigns.template_id)
-WHERE (status='running' OR (status='scheduled' AND campaigns.send_at >= NOW()))
-AND NOT(campaigns.id = ANY($1::INT[]))
+WHERE campaigns.id = $1;

 -- name: get-campaign-stats
 SELECT id, status, to_send, sent, started_at, updated_at
--- a/subscribers.go
+++ b/subscribers.go
@ -49,7 +49,6 @@ func handleGetSubscriber(c echo.Context) error {
 		id, _ = strconv.Atoi(c.Param("id"))
 	)

-	// Fetch one list.
 	if id < 1 {
 		return echo.NewHTTPError(http.StatusBadRequest, "Invalid subscriber ID.")
 	}
--- a/templates.go
+++ b/templates.go
@ -66,9 +66,12 @@ func handlePreviewTemplate(c echo.Context) error {
 	var (
 		app   = c.Get("app").(*App)
 		id, _ = strconv.Atoi(c.Param("id"))
+		body  = c.FormValue("body")
+
 		tpls []models.Template
 	)

+	if body == "" {
 		if id < 1 {
 			return echo.NewHTTPError(http.StatusBadRequest, "Invalid ID.")
 		}
@ -82,10 +85,11 @@ func handlePreviewTemplate(c echo.Context) error {
 		if len(tpls) == 0 {
 			return echo.NewHTTPError(http.StatusBadRequest, "Template not found.")
 		}
-	t := tpls[0]
+		body = tpls[0].Body
+	}

 	// Compile the template.
-	tpl, err := runner.CompileMessageTemplate(t.Body, dummyTpl)
+	tpl, err := runner.CompileMessageTemplate(body, dummyTpl)
 	if err != nil {
 		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Error compiling template: %v", err))
 	}