Feature: Ask Me Anything
Implements a Tumblr-style "Ask Me Anything" feature to the blog, with a bit of automation and niceness: * The route is at `/ask` * User can leave their name (Anonymous), email address (if they want to be notified when you answer) and ask their question. * The blog owner is notified about the question via email. * The owner sees recent pending questions on the `/ask` page. * Answering a question creates a blog entry and (if the asker left their email) notifies the asker to check the blog at the permalink-to-be for the new post. Along with this feature, some changes to the blog application in general: * Added support for SQL databases in addition to the JsonDB system previously in use for blogs, users, comments, etc. * Default uses a SQLite DB at $root/.private/database.sqlite * The "Ask Me Anything" feature uses SQLite models instead of JSON. * Restructure the code layout: * Rename the /internal/ package path to /src/ * Begin to consolidate models into /src/modelspull/7/head
parent
9b938ccff3
commit
1821ef60d4
22
blog.go
22
blog.go
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@ -9,6 +9,14 @@ import (
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"github.com/gorilla/mux"
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"github.com/jinzhu/gorm"
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"github.com/kirsle/blog/jsondb"
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"github.com/kirsle/blog/jsondb/caches"
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"github.com/kirsle/blog/jsondb/caches/null"
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"github.com/kirsle/blog/jsondb/caches/redis"
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"github.com/kirsle/blog/models/comments"
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"github.com/kirsle/blog/models/posts"
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"github.com/kirsle/blog/models/settings"
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"github.com/kirsle/blog/models/users"
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"github.com/kirsle/blog/src/controllers/admin"
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"github.com/kirsle/blog/src/controllers/authctl"
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commentctl "github.com/kirsle/blog/src/controllers/comments"
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@ -20,18 +28,10 @@ import (
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"github.com/kirsle/blog/src/markdown"
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"github.com/kirsle/blog/src/middleware"
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"github.com/kirsle/blog/src/middleware/auth"
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"github.com/kirsle/blog/src/models"
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"github.com/kirsle/blog/src/render"
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"github.com/kirsle/blog/src/responses"
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"github.com/kirsle/blog/src/sessions"
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"github.com/kirsle/blog/jsondb"
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"github.com/kirsle/blog/jsondb/caches"
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"github.com/kirsle/blog/jsondb/caches/null"
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"github.com/kirsle/blog/jsondb/caches/redis"
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"github.com/kirsle/blog/models/comments"
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"github.com/kirsle/blog/models/posts"
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"github.com/kirsle/blog/models/questions"
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"github.com/kirsle/blog/models/settings"
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"github.com/kirsle/blog/models/users"
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"github.com/shurcooL/github_flavored_markdown/gfmstyle"
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"github.com/urfave/negroni"
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)
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@ -106,7 +106,7 @@ func (b *Blog) Configure() {
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posts.DB = b.jsonDB
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users.DB = b.jsonDB
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comments.DB = b.jsonDB
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questions.UseDB(b.db)
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models.UseDB(b.db)
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// Redis cache?
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if config.Redis.Enabled {
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@ -139,7 +139,7 @@ func (b *Blog) SetupHTTP() {
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contact.Register(r)
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postctl.Register(r, b.MustLogin)
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commentctl.Register(r)
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questionsctl.Register(r)
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questionsctl.Register(r, b.MustLogin)
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// GitHub Flavored Markdown CSS.
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r.Handle("/css/gfm.css", http.StripPrefix("/css", http.FileServer(gfmstyle.Assets)))
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@ -8,60 +8,100 @@
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</div>
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{{ end }}
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<form name="askme" method="POST" action="/ask">
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<div class="card">
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<div class="card-body">
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<input type="hidden" name="_csrf" value="{{ .CSRF }}">
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<div class="card">
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<div class="card-body">
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<form name="askme" method="POST" action="/ask">
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<input type="hidden" name="_csrf" value="{{ .CSRF }}">
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<div class="form-group row">
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<div class="col-12 col-md-2">
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<label class="col-form-label" for="name">Name:</label>
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</div>
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<div class="col-12 col-md-10">
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<input type="text" class="form-control" id="name" name="name" value="{{ .Data.Q.Name }}" placeholder="Anonymous">
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</div>
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<div class="form-group row">
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<div class="col-12 col-md-2">
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<label class="col-form-label" for="name">Name:</label>
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</div>
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<div class="form-group row">
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<div class="col-12 col-md-2">
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<label class="col-form-label" for="email">Email:</label>
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</div>
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<div class="col-12 col-md-10">
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<div><input type="email" class="form-control" id="email" name="email" value="{{ .Data.Q.Email }}" placeholder="name@example.com"></div>
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<small>
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Optional. You will receive a one-time e-mail when I answer your question and no spam.
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</small>
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</div>
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</div>
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<div class="form-group row">
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<label class="col-12" for="question">Question: <small>(required)</small></label>
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<textarea cols="80" rows="6"
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class="col-12 form-control"
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name="question"
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id="question"
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placeholder="Ask me anything">{{ .Data.Q.Question }}</textarea>
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</div>
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<div class="form-group row">
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<div class="col">
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<button type="submit"
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name="submit"
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value="ask"
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class="btn btn-primary">Ask away!</button>
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</div>
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<div class="col-12 col-md-10">
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<input type="text" class="form-control" id="name" name="name" value="{{ .Data.Q.Name }}" placeholder="Anonymous">
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</div>
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</div>
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<div class="form-group row">
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<div class="col-12 col-md-2">
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<label class="col-form-label" for="email">Email:</label>
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</div>
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<div class="col-12 col-md-10">
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<div><input type="email" class="form-control" id="email" name="email" value="{{ .Data.Q.Email }}" placeholder="name@example.com"></div>
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<small>
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Optional. You will receive a one-time e-mail when I answer your question and no spam.
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</small>
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</div>
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</div>
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<div class="form-group row">
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<label class="col-12" for="question">Question: <small>(required)</small></label>
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<textarea cols="80" rows="6"
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class="col-12 form-control"
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name="question"
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id="question"
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placeholder="Ask me anything">{{ .Data.Q.Question }}</textarea>
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</div>
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<div class="form-group row">
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<div class="col">
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<button type="submit"
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name="submit"
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value="ask"
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class="btn btn-primary">Ask away!</button>
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</div>
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</div>
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</form>
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</div>
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</div>
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{{ if .LoggedIn }}
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<div class="card mt-4">
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<div class="card-header">
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Pending Questions
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</div>
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<div class="card-body">
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xxx
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</div>
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{{ if .LoggedIn }}
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<div class="card mt-4">
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<div class="card-header">
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Pending Questions
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</div>
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{{ end }}
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</form>
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<div class="card-body">
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{{ if not .Data.Pending }}
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<em>There are no pending questions.</em>
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{{ end }}
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{{ range .Data.Pending }}
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<p>
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<strong>{{ .Name }}</strong> {{ if .Email }}(with email){{ end }} asks:<br>
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<small class="text-muted">
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<em>{{ .Created.Format "January 2, 2006 @ 15:04 MST" }}</em> by
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</small>
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</p>
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<p>
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{{ .Question }}
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</p>
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<div id="form-{{ .ID }}" class="dhtml-forms">
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<form method="POST" action="/ask/answer">
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<input type="hidden" name="_csrf" value="{{ $.CSRF }}">
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<input type="hidden" name="id" value="{{ .ID }}">
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<textarea cols="80" rows="4"
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class="form-control"
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name="answer"
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placeholder="Answer (Markdown formatting allowed)"></textarea>
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<div class="btn-group mt-3">
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<button type="submit" name="submit" value="answer" class="btn btn-primary">
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Answer
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</button>
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<button type="submit" name="submit" value="delete" class="btn btn-danger">
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Delete
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</button>
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</div>
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</form>
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</div>
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<div id="button-{{ .ID }}" class="dhtml-buttons" style="display: none">
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<button type="button" class="btn" id="show-{{ .ID }}" class="dhtml-show-button">Answer or delete</button>
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</div>
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<hr>
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{{ end }}
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</div>
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</div>
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{{ end }}
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{{ end }}
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@ -6,51 +6,46 @@ import (
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/gorilla/mux"
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"github.com/kirsle/blog/models/posts"
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"github.com/kirsle/blog/models/settings"
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"github.com/kirsle/blog/src/log"
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"github.com/kirsle/blog/src/mail"
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"github.com/kirsle/blog/src/markdown"
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"github.com/kirsle/blog/src/middleware/auth"
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"github.com/kirsle/blog/src/models"
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"github.com/kirsle/blog/src/render"
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"github.com/kirsle/blog/src/responses"
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"github.com/kirsle/blog/src/sessions"
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"github.com/kirsle/blog/models/comments"
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"github.com/kirsle/blog/models/questions"
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"github.com/kirsle/blog/models/settings"
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"github.com/kirsle/blog/models/users"
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"github.com/urfave/negroni"
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)
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var badRequest func(http.ResponseWriter, *http.Request, string)
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// Register the comment routes to the app.
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func Register(r *mux.Router) {
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func Register(r *mux.Router, loginError http.HandlerFunc) {
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badRequest = responses.BadRequest
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r.HandleFunc("/ask", questionsHandler)
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}
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// CommentMeta is the template variables for comment threads.
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type CommentMeta struct {
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NewComment comments.Comment
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ID string
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OriginURL string // URL where original comment thread appeared
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Subject string // email subject
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Thread *comments.Thread
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Authors map[int]*users.User
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CSRF string
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r.Handle("/ask/answer",
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negroni.New(
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negroni.HandlerFunc(auth.LoginRequired(loginError)),
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negroni.WrapFunc(answerHandler),
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),
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).Methods(http.MethodPost)
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}
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func questionsHandler(w http.ResponseWriter, r *http.Request) {
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submit := r.FormValue("submit")
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// Share their name and email with the commenting system.
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session := sessions.Get(r)
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name, _ := session.Values["c.name"].(string)
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email, _ := session.Values["c.email"].(string)
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Q := questions.New()
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Q := models.NewQuestion()
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Q.Name = name
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Q.Email = email
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@ -67,71 +62,165 @@ func questionsHandler(w http.ResponseWriter, r *http.Request) {
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Q.ParseForm(r)
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log.Info("Q: %+v", Q)
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switch submit {
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case "ask":
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if err := Q.Validate(); err != nil {
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log.Debug("Validation error on question form: %s", err.Error())
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v["Error"] = err
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} else {
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// Cache their name and email in their session.
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session.Values["c.name"] = Q.Name
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session.Values["c.email"] = Q.Email
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session.Save(r, w)
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if err := Q.Validate(); err != nil {
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log.Debug("Validation error on question form: %s", err.Error())
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v["Error"] = err
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} else {
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// Cache their name and email in their session.
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session.Values["c.name"] = Q.Name
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session.Values["c.email"] = Q.Email
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session.Save(r, w)
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// Append their comment.
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err := Q.Save()
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if err != nil {
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log.Error("Error saving new question: %s", err.Error())
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responses.FlashAndRedirect(w, r, "/ask", "Error saving question: %s", err)
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return
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}
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// Email the site admin.
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subject := fmt.Sprintf("Ask Me Anything (%s) from %s", cfg.Site.Title, Q.Name)
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log.Info("Emailing site admin about this question")
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go mail.SendEmail(mail.Email{
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To: cfg.Site.AdminEmail,
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Admin: true,
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ReplyTo: Q.Email,
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Subject: subject,
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Template: ".email/generic.gohtml",
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Data: map[string]interface{}{
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"Subject": subject,
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"Message": template.HTML(
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markdown.RenderMarkdown(Q.Question) + "\n\n" +
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"Answer this at " + strings.Trim(cfg.Site.URL, "/") + "/ask",
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),
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},
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})
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// Log it to disk, too.
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fh, err := os.OpenFile(filepath.Join(*render.UserRoot, ".questions.log"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
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if err != nil {
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responses.Flash(w, r, "Error logging the message to disk: %s", err)
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} else {
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fh.WriteString(fmt.Sprintf(
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"Date: %s\nName: %s\nEmail: %s\n\n%s\n\n--------------------\n\n",
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time.Now().Format(time.UnixDate),
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Q.Name,
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Q.Email,
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Q.Question,
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))
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fh.Close()
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}
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log.Info("Recorded question from %s: %s", Q.Name, Q.Question)
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responses.FlashAndRedirect(w, r, "/ask", "Your question has been recorded!")
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// Append their comment.
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err := Q.Save()
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if err != nil {
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log.Error("Error saving new question: %s", err.Error())
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responses.FlashAndRedirect(w, r, "/ask", "Error saving question: %s", err)
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return
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}
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case "answer":
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case "delete":
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default:
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responses.FlashAndRedirect(w, r, "/ask", "Unknown submit action.")
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// Email the site admin.
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subject := fmt.Sprintf("Ask Me Anything (%s) from %s", cfg.Site.Title, Q.Name)
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log.Info("Emailing site admin about this question")
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go mail.SendEmail(mail.Email{
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To: cfg.Site.AdminEmail,
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Admin: true,
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ReplyTo: Q.Email,
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Subject: subject,
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Template: ".email/generic.gohtml",
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Data: map[string]interface{}{
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"Subject": subject,
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"Message": template.HTML(
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markdown.RenderMarkdown(
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Q.Question +
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"\n\nAnswer this at " + strings.Trim(cfg.Site.URL, "/") + "/ask",
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),
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),
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},
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})
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// Log it to disk, too.
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fh, err := os.OpenFile(filepath.Join(*render.UserRoot, ".questions.log"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
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if err != nil {
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responses.Flash(w, r, "Error logging the message to disk: %s", err)
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} else {
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fh.WriteString(fmt.Sprintf(
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"Date: %s\nName: %s\nEmail: %s\n\n%s\n\n--------------------\n\n",
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time.Now().Format(time.UnixDate),
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Q.Name,
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Q.Email,
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Q.Question,
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))
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fh.Close()
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}
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log.Info("Recorded question from %s: %s", Q.Name, Q.Question)
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responses.FlashAndRedirect(w, r, "/ask", "Your question has been recorded!")
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return
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}
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}
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v["Q"] = Q
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// Load the pending questions.
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pending, err := models.PendingQuestions(0, 20)
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if err != nil {
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log.Error(err.Error())
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}
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v["Pending"] = pending
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render.Template(w, r, "questions.gohtml", v)
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}
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func answerHandler(w http.ResponseWriter, r *http.Request) {
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submit := r.FormValue("submit")
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cfg, err := settings.Load()
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if err != nil {
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responses.Error(w, r, "Error loading site configuration!")
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return
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}
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type answerForm struct {
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ID int
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Answer string
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Submit string
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}
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id, _ := strconv.Atoi(r.FormValue("id"))
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form := answerForm{
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ID: id,
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Answer: r.FormValue("answer"),
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Submit: r.FormValue("submit"),
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}
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// Look up the question.
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Q, err := models.GetQuestion(form.ID)
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if err != nil {
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responses.FlashAndRedirect(w, r, "/ask",
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fmt.Sprintf("Did not find question ID %d", form.ID),
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)
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return
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}
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|
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switch submit {
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case "answer":
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// Prepare a Markdown-themed blog post and go to the Preview page for it.
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blog := posts.New()
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blog.Title = "Ask"
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blog.Tags = []string{"ask"}
|
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blog.Fragment = fmt.Sprintf("ask-%s",
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time.Now().Format("20060102150405"),
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)
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blog.Body = fmt.Sprintf(
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"> **%s** asks:\n>\n> %s\n\n"+
|
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"%s\n",
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Q.Name,
|
||||
strings.Replace(Q.Question, "\n", "> \n", 0),
|
||||
form.Answer,
|
||||
)
|
||||
|
||||
Q.Status = models.Answered
|
||||
Q.Save()
|
||||
|
||||
// TODO: email the person who asked about the new URL.
|
||||
if Q.Email != "" {
|
||||
log.Info("Notifying user %s by email that the question is answered", Q.Email)
|
||||
go mail.SendEmail(mail.Email{
|
||||
To: Q.Email,
|
||||
Subject: "Your question has been answered",
|
||||
Template: ".email/generic.gohtml",
|
||||
Data: map[string]interface{}{
|
||||
"Subject": "Your question has been answered",
|
||||
"Message": template.HTML(
|
||||
markdown.RenderMarkdown(
|
||||
fmt.Sprintf(
|
||||
"Hello, %s\n\n"+
|
||||
"Your recent question on %s has been answered. To "+
|
||||
"view the answer, please visit the following link:\n\n"+
|
||||
"%s/%s",
|
||||
Q.Name,
|
||||
cfg.Site.Title,
|
||||
cfg.Site.URL,
|
||||
blog.Fragment,
|
||||
),
|
||||
),
|
||||
),
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
render.Template(w, r, "blog/edit", map[string]interface{}{
|
||||
"preview": template.HTML(markdown.RenderTrustedMarkdown(blog.Body)),
|
||||
"post": blog,
|
||||
})
|
||||
return
|
||||
case "delete":
|
||||
Q.Status = models.Deleted
|
||||
Q.Save()
|
||||
responses.FlashAndRedirect(w, r, "/ask", "Question deleted.")
|
||||
return
|
||||
default:
|
||||
responses.FlashAndRedirect(w, r, "/ask", "Unknown submit action.")
|
||||
return
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,21 @@
|
|||
package models
|
||||
|
||||
import (
|
||||
"github.com/jinzhu/gorm"
|
||||
"github.com/kirsle/golog"
|
||||
)
|
||||
|
||||
// DB is a reference to the parent app's gorm DB.
|
||||
var DB *gorm.DB
|
||||
|
||||
// UseDB registers the DB from the root app.
|
||||
func UseDB(db *gorm.DB) {
|
||||
DB = db
|
||||
DB.AutoMigrate(&Question{})
|
||||
}
|
||||
|
||||
var log *golog.Logger
|
||||
|
||||
func init() {
|
||||
log = golog.GetLogger("blog")
|
||||
}
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package questions
|
||||
package models
|
||||
|
||||
import (
|
||||
"errors"
|
||||
|
|
@ -6,26 +6,8 @@ import (
|
|||
"net/mail"
|
||||
"strconv"
|
||||
"time"
|
||||
|
||||
"github.com/jinzhu/gorm"
|
||||
"github.com/kirsle/golog"
|
||||
)
|
||||
|
||||
// DB is a reference to the parent app's gorm DB.
|
||||
var DB *gorm.DB
|
||||
|
||||
// UseDB registers the DB from the root app.
|
||||
func UseDB(db *gorm.DB) {
|
||||
DB = db
|
||||
DB.AutoMigrate(&Question{})
|
||||
}
|
||||
|
||||
var log *golog.Logger
|
||||
|
||||
func init() {
|
||||
log = golog.GetLogger("blog")
|
||||
}
|
||||
|
||||
// Question is a question asked of the blog owner.
|
||||
type Question struct {
|
||||
ID int `json:"id"`
|
||||
|
|
@ -37,17 +19,34 @@ type Question struct {
|
|||
Updated time.Time `json:"updated"`
|
||||
}
|
||||
|
||||
// New creates a blank Question with sensible defaults.
|
||||
func New() *Question {
|
||||
// NewQuestion creates a blank Question with sensible defaults.
|
||||
func NewQuestion() *Question {
|
||||
return &Question{
|
||||
Status: Pending,
|
||||
}
|
||||
}
|
||||
|
||||
// All returns all the Questions.
|
||||
func All() ([]*Question, error) {
|
||||
// GetQuestion by its ID.
|
||||
func GetQuestion(id int) (*Question, error) {
|
||||
result := &Question{}
|
||||
err := DB.First(&result, id).Error
|
||||
return result, err
|
||||
}
|
||||
|
||||
// AllQuestions returns all the Questions.
|
||||
func AllQuestions() ([]*Question, error) {
|
||||
result := []*Question{}
|
||||
err := DB.Order("start_time desc").Find(&result).Error
|
||||
err := DB.Order("created desc").Find(&result).Error
|
||||
return result, err
|
||||
}
|
||||
|
||||
// PendingQuestions returns pending questions in order of recency.
|
||||
func PendingQuestions(offset, limit int) ([]*Question, error) {
|
||||
result := []*Question{}
|
||||
err := DB.Where("status = ?", Pending).
|
||||
Offset(offset).Limit(limit).
|
||||
Order("created desc").
|
||||
Find(&result).Error
|
||||
return result, err
|
||||
}
|
||||
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package questions
|
||||
package models
|
||||
|
||||
// Status of a Question.
|
||||
type Status string
|
||||
Loading…
Reference in New Issue