Make Monetization optional

Some WriteFreely instances are completely private, and thus have no need for public-
oriented features like Web Monetization. Like federation, this gives admins control
over whether or not the feature is enabled for users.

Ref T773

account.go

@@ -840,7 +840,7 @@ func viewEditCollection(app *App, u *User, w http.ResponseWriter, r *http.Reques
 	}
 
 	// Add collection properties
-	c.Monetization = app.db.GetCollectionAttribute(c.ID, "monetization_pointer")
+	c.MonetizationPointer = app.db.GetCollectionAttribute(c.ID, "monetization_pointer")
 
 	silenced, err := app.db.IsUserSilenced(u.ID)
 	if err != nil {

admin.go

@@ -529,6 +529,7 @@ func handleAdminUpdateConfig(apper Apper, u *User, w http.ResponseWriter, r *htt
 	}
 	apper.App().cfg.App.Federation = r.FormValue("federation") == "on"
 	apper.App().cfg.App.PublicStats = r.FormValue("public_stats") == "on"
+	apper.App().cfg.App.Monetization = r.FormValue("monetization") == "on"
 	apper.App().cfg.App.Private = r.FormValue("private") == "on"
 	apper.App().cfg.App.LocalTimeline = r.FormValue("local_timeline") == "on"
 	if apper.App().cfg.App.LocalTimeline && apper.App().timeline == nil {

collections.go

@@ -56,7 +56,7 @@ type (
 		PublicOwner bool           `datastore:"public_owner" json:"-"`
 		URL         string         `json:"url,omitempty"`
 
-		Monetization string `json:"monetization_pointer,omitempty"`
+		MonetizationPointer string `json:"monetization_pointer,omitempty"`
 
 		db       *datastore
 		hostName string

config/config.go

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018-2019 A Bunch Tell LLC.
+ * Copyright © 2018-2020 A Bunch Tell LLC.
  *
  * This file is part of WriteFreely.
  *
@@ -136,9 +136,11 @@ type (
 		MinUsernameLen   int  `ini:"min_username_len"`
 		MaxBlogs         int  `ini:"max_blogs"`
 
+		// Options for public instances
 		// Federation
 		Federation   bool `ini:"federation"`
 		PublicStats  bool `ini:"public_stats"`
+		Monetization bool `ini:"monetization"`
 
 		// Access
 		Private bool `ini:"private"`

templates/user/admin/app-settings.tmpl

@@ -136,6 +136,13 @@ select {
 				</label></div>
 			<div><input type="checkbox" name="public_stats" id="public_stats" {{if .Config.PublicStats}}checked="checked"{{end}} /></div>
 		</div>
+		<div class="features row">
+			<div><label for="monetization">
+					Monetization
+					<p>Enable blogs on this site to receive micro&shy;pay&shy;ments from readers via <a target="wm" href="https://webmonetization.org/">Web Monetization</a>.</p>
+				</label></div>
+			<div><input type="checkbox" name="monetization" id="monetization" {{if .Config.Monetization}}checked="checked"{{end}} /></div>
+		</div>
 		<div class="features row">
 			<div><label for="min_username_len">
 					Minimum Username Length

templates/user/collection.tmpl

@@ -146,13 +146,15 @@ textarea.section.norm {
 		</div>
 	</div>
 
+	{{if .Monetization}}
 	<div class="option">
 		<h2>Web Monetization</h2>
 		<div class="section">
 			<p class="explain">Web Monetization enables you to receive micropayments from readers that have a <a href="https://coil.com">Coil membership</a>. Add your payment pointer to enable Web Monetization on your blog.</p>
-			<input type="text" name="monetization_pointer" style="width:100%" value="{{.Monetization}}" placeholder="$wallet.example.com/alice" />
+			<input type="text" name="monetization_pointer" style="width:100%" value="{{.MonetizationPointer}}" placeholder="$wallet.example.com/alice" />
 		</div>
 	</div>
+	{{end}}
 
 	<div class="option" style="text-align: center; margin-top: 4em;">
 		<input type="submit" id="save-changes" value="Save changes" />