FEATURE: allow admin to delete all posts by a user irrespectively (#14128)

This commit allows admin to delete all posts by a user irrespective of
site settings `delete_user_max_post_age` and `delete_all_posts_max`.

app/assets/javascripts/admin/addon/controllers/admin-user-index.js

@@ -11,7 +11,7 @@ import discourseComputed from "discourse-common/utils/decorators";
 import getURL from "discourse-common/lib/get-url";
 import { htmlSafe } from "@ember/template";
 import { iconHTML } from "discourse-common/lib/icon-library";
-import { popupAjaxError } from "discourse/lib/ajax-error";
+import { extractError, popupAjaxError } from "discourse/lib/ajax-error";
 import { inject as service } from "@ember/service";
 import showModal from "discourse/lib/show-modal";
 
@@ -272,73 +272,6 @@ export default Controller.extend(CanCheckEmails, {
     silence() {
       return this.model.silence();
     },
-    deleteAllPosts() {
-      let deletedPosts = 0;
-      let deletedPercentage = 0;
-      const user = this.model;
-      const message = I18n.messageFormat(
-        "admin.user.delete_all_posts_confirm_MF",
-        {
-          POSTS: user.get("post_count"),
-          TOPICS: user.get("topic_count"),
-        }
-      );
-
-      const performDelete = (progressModal) => {
-        this.model
-          .deleteAllPosts()
-          .then(({ posts_deleted }) => {
-            if (posts_deleted === 0) {
-              user.set("post_count", 0);
-              progressModal.send("closeModal");
-            } else {
-              deletedPosts += posts_deleted;
-              deletedPercentage = Math.floor(
-                (deletedPosts * 100) / user.get("post_count")
-              );
-              progressModal.setProperties({
-                deletedPercentage: deletedPercentage,
-              });
-              performDelete(progressModal);
-            }
-          })
-          .catch((e) => {
-            progressModal.send("closeModal");
-            let error;
-            AdminUser.find(user.get("id")).then((u) => user.setProperties(u));
-            if (e.jqXHR.responseJSON && e.jqXHR.responseJSON.errors) {
-              error = e.jqXHR.responseJSON.errors[0];
-            }
-            error = error || I18n.t("admin.user.delete_posts_failed");
-            bootbox.alert(error);
-          });
-      };
-
-      const buttons = [
-        {
-          label: I18n.t("composer.cancel"),
-          class: "d-modal-cancel",
-          link: true,
-        },
-        {
-          icon: iconHTML("exclamation-triangle"),
-          label: I18n.t("admin.user.delete_all_posts"),
-          class: "btn btn-danger",
-          callback: () => {
-            const progressModal = openProgressModal();
-            performDelete(progressModal);
-          },
-        },
-      ];
-
-      const openProgressModal = () => {
-        return showModal("admin-delete-user-posts-progress", {
-          admin: true,
-        });
-      };
-
-      bootbox.dialog(message, buttons, { classes: "delete-all-posts" });
-    },
 
     anonymize() {
       const user = this.model;
@@ -626,5 +559,50 @@ export default Controller.extend(CanCheckEmails, {
         }
       });
     },
+
+    showDeletePostsConfirmation() {
+      showModal("admin-delete-posts-confirmation", {
+        admin: true,
+        model: this.model,
+      });
+    },
+
+    deleteAllPosts() {
+      let deletedPosts = 0;
+      let deletedPercentage = 0;
+      const user = this.model;
+
+      const performDelete = (progressModal) => {
+        this.model
+          .deleteAllPosts()
+          .then(({ posts_deleted }) => {
+            if (posts_deleted === 0) {
+              user.set("post_count", 0);
+              progressModal.send("closeModal");
+            } else {
+              deletedPosts += posts_deleted;
+              deletedPercentage = Math.floor(
+                (deletedPosts * 100) / user.get("post_count")
+              );
+              progressModal.setProperties({
+                deletedPercentage: deletedPercentage,
+              });
+              performDelete(progressModal);
+            }
+          })
+          .catch((e) => {
+            progressModal.send("closeModal");
+            let error;
+            AdminUser.find(user.get("id")).then((u) => user.setProperties(u));
+            error = extractError(e) || I18n.t("admin.user.delete_posts_failed");
+            bootbox.alert(error);
+          });
+      };
+
+      const progressModal = showModal("admin-delete-user-posts-progress", {
+        admin: true,
+      });
+      performDelete(progressModal);
+    },
   },
 });

app/assets/javascripts/admin/addon/controllers/modals/admin-delete-posts-confirmation.js

@@ -0,0 +1,46 @@
+import Controller, { inject as controller } from "@ember/controller";
+import I18n from "I18n";
+import ModalFunctionality from "discourse/mixins/modal-functionality";
+import { action } from "@ember/object";
+import { alias } from "@ember/object/computed";
+import discourseComputed from "discourse-common/utils/decorators";
+
+export default Controller.extend(ModalFunctionality, {
+  adminUserIndex: controller(),
+  username: alias("model.username"),
+  postCount: alias("model.post_count"),
+
+  onShow() {
+    this.set("value", null);
+  },
+
+  @discourseComputed("username", "postCount")
+  text(username, postCount) {
+    return I18n.t(`admin.user.delete_posts.confirmation.text`, {
+      username,
+      postCount,
+    });
+  },
+
+  @discourseComputed("username")
+  deleteButtonText(username) {
+    return I18n.t(`admin.user.delete_posts.confirmation.delete`, {
+      username,
+    });
+  },
+
+  @discourseComputed("value", "text")
+  deleteDisabled(value, text) {
+    return !value || text !== value;
+  },
+
+  @action
+  confirm() {
+    this.adminUserIndex.send("deleteAllPosts");
+  },
+
+  @action
+  close() {
+    this.send("closeModal");
+  },
+});

app/assets/javascripts/admin/addon/templates/modal/admin-delete-posts-confirmation.hbs

@@ -0,0 +1,20 @@
+<div>
+  {{#d-modal-body rawTitle=(i18n "admin.user.delete_posts.confirmation.title" username=username)}}
+    <p>{{html-safe (i18n "admin.user.delete_posts.confirmation.description" username=username post_count=postCount text=text)}}</p>
+    {{input type="text" value=value}}
+  {{/d-modal-body}}
+
+  <div class="modal-footer">
+    {{d-button
+      class="btn-danger"
+      action=(action "confirm")
+      icon="trash-alt"
+      disabled=deleteDisabled
+      translatedLabel=deleteButtonText
+    }}
+    {{d-button
+      action=(action "close")
+      label="admin.user.delete_posts.confirmation.cancel"
+    }}
+  </div>
+</div>

app/assets/javascripts/admin/addon/templates/modal/admin-delete-user-posts-progress.hbs

@@ -1,4 +1,4 @@
 {{#d-modal-body title="admin.user.delete_posts.progress.title" dismissable=false}}
-  <p>{{I18n "admin.user.delete_posts_progress"}}</p>
+  <p>{{I18n "admin.user.delete_posts.progress.description"}}</p>
   <div class="progress-bar"><span style={{html-safe (concat "width: " deletedPercentage "%")}}></span></div>
 {{/d-modal-body}}

app/assets/javascripts/admin/addon/templates/user-index.hbs

@@ -599,9 +599,9 @@
         {{#if model.post_count}}
           {{d-button
             class="btn-danger"
-            action=(action "deleteAllPosts")
+            action=(action "showDeletePostsConfirmation")
             icon="far-trash-alt"
-            label="admin.user.delete_all_posts"}}
+            label="admin.user.delete_posts.button"}}
         {{/if}}
       {{else}}
         {{deleteAllPostsExplanation}}

config/locales/client.en.yml

@@ -4878,8 +4878,7 @@ en:
         silence_message_placeholder: "(leave blank to send default message)"
         suspended_until: "(until %{until})"
         cant_suspend: "This user cannot be suspended."
-        delete_all_posts: "Delete all posts"
-        delete_posts_progress: "Deleting posts..."
+
         delete_posts_failed: "There was a problem deleting the posts."
         post_edits: "Post Edits"
         view_edits: "View Edits"
@@ -4948,8 +4947,22 @@ en:
         anonymize_failed: "There was a problem anonymizing the account."
         delete: "Delete User"
         delete_posts:
+          button: "Delete all posts"
           progress:
             title: "Progress of deleting posts"
+            description: "Deleting posts..."
+          confirmation:
+            title: "Delete all posts by @%{username}"
+            description: |
+              <p>Are you sure you would like to delete <b>%{post_count}</b> posts by @%{username}?
+
+              <p><b>This can not be undone!</b></p>
+
+              <p>To continue type: <code>%{text}</code></p>
+
+            text: "delete posts by @%{username}"
+            delete: "Delete posts by @%{username}"
+            cancel: "Cancel"
         merge:
           button: "Merge"
           prompt:

lib/guardian/post_guardian.rb

@@ -100,8 +100,9 @@ module PostGuardian
     is_staff? &&
     user &&
     !user.admin? &&
-    (user.first_post_created_at.nil? || user.first_post_created_at >= SiteSetting.delete_user_max_post_age.days.ago) &&
-    user.post_count <= SiteSetting.delete_all_posts_max.to_i
+    (is_admin? ||
+      ((user.first_post_created_at.nil? || user.first_post_created_at >= SiteSetting.delete_user_max_post_age.days.ago) &&
+      user.post_count <= SiteSetting.delete_all_posts_max.to_i))
   end
 
   def can_create_post?(parent)

spec/components/guardian_spec.rb

@@ -2512,7 +2512,9 @@ describe Guardian do
       expect(Guardian.new(user).can_delete_all_posts?(coding_horror)).to be_falsey
     end
 
-    shared_examples "can_delete_all_posts examples" do
+    context "for moderators" do
+      let(:actor) { moderator }
+
       it "is true if user has no posts" do
         SiteSetting.delete_user_max_post_age = 10
         expect(Guardian.new(actor).can_delete_all_posts?(Fabricate(:user, created_at: 100.days.ago))).to be_truthy
@@ -2551,14 +2553,45 @@ describe Guardian do
       end
     end
 
-    context "for moderators" do
-      let(:actor) { moderator }
-      include_examples "can_delete_all_posts examples"
-    end
-
     context "for admins" do
       let(:actor) { admin }
-      include_examples "can_delete_all_posts examples"
+
+      it "is true if user has no posts" do
+        SiteSetting.delete_user_max_post_age = 10
+        expect(Guardian.new(actor).can_delete_all_posts?(Fabricate(:user, created_at: 100.days.ago))).to be_truthy
+      end
+
+      it "is true if user's first post is newer than delete_user_max_post_age days old" do
+        user = Fabricate(:user, created_at: 100.days.ago)
+        user.stubs(:first_post_created_at).returns(9.days.ago)
+        SiteSetting.delete_user_max_post_age = 10
+        expect(Guardian.new(actor).can_delete_all_posts?(user)).to be_truthy
+      end
+
+      it "is true if user's first post is older than delete_user_max_post_age days old" do
+        user = Fabricate(:user, created_at: 100.days.ago)
+        user.stubs(:first_post_created_at).returns(11.days.ago)
+        SiteSetting.delete_user_max_post_age = 10
+        expect(Guardian.new(actor).can_delete_all_posts?(user)).to be_truthy
+      end
+
+      it "is false if user is an admin" do
+        expect(Guardian.new(actor).can_delete_all_posts?(admin)).to be_falsey
+      end
+
+      it "is true if number of posts is small" do
+        u = Fabricate(:user, created_at: 1.day.ago)
+        u.stubs(:post_count).returns(1)
+        SiteSetting.delete_all_posts_max = 10
+        expect(Guardian.new(actor).can_delete_all_posts?(u)).to be_truthy
+      end
+
+      it "is true if number of posts is not small" do
+        u = Fabricate(:user, created_at: 1.day.ago)
+        u.stubs(:post_count).returns(11)
+        SiteSetting.delete_all_posts_max = 10
+        expect(Guardian.new(actor).can_delete_all_posts?(u)).to be_truthy
+      end
     end
   end