Allow overriding blueprints (#18718)

src/data/blueprint.ts

@@ -29,6 +29,7 @@ export interface BlueprintInput {
 export interface BlueprintImportResult {
   suggested_filename: string;
   raw_data: string;
+  exists?: boolean;
   blueprint: Blueprint;
   validation_errors: string[] | null;
 }
@@ -44,7 +45,8 @@ export const saveBlueprint = (
   domain: BlueprintDomain,
   path: string,
   yaml: string,
-  source_url?: string
+  source_url?: string,
+  allow_override?: boolean
 ) =>
   hass.callWS({
     type: "blueprint/save",
@@ -52,6 +54,7 @@ export const saveBlueprint = (
     path,
     yaml,
     source_url,
+    allow_override,
   });
 
 export const deleteBlueprint = (

src/panels/config/blueprint/dialog-import-blueprint.ts

@@ -7,6 +7,7 @@ import "../../../components/ha-circular-progress";
 import { createCloseHeading } from "../../../components/ha-dialog";
 import "../../../components/ha-expansion-panel";
 import "../../../components/ha-markdown";
+import "../../../components/ha-alert";
 import "../../../components/ha-textfield";
 import type { HaTextField } from "../../../components/ha-textfield";
 import {
@@ -105,7 +106,21 @@ class DialogImportBlueprint extends LitElement {
                   )}
                 >
                   <pre>${this._result.raw_data}</pre>
-                </ha-expansion-panel>`
+                </ha-expansion-panel>
+                ${this._result?.exists
+                  ? html`
+                      <ha-alert
+                        alert-type="warning"
+                        .title=${this.hass.localize(
+                          "ui.panel.config.blueprint.add.override_title"
+                        )}
+                      >
+                        ${this.hass.localize(
+                          "ui.panel.config.blueprint.add.override_description"
+                        )}
+                      </ha-alert>
+                    `
+                  : nothing} `
             : html`
                 <p>
                   ${this.hass.localize(
@@ -175,7 +190,13 @@ class DialogImportBlueprint extends LitElement {
                       )}
                     ></ha-circular-progress>`
                   : ""}
-                ${this.hass.localize("ui.panel.config.blueprint.add.save_btn")}
+                ${this._result.exists
+                  ? this.hass.localize(
+                      "ui.panel.config.blueprint.add.save_btn_override"
+                    )
+                  : this.hass.localize(
+                      "ui.panel.config.blueprint.add.save_btn"
+                    )}
               </mwc-button>
             `}
       </ha-dialog>
@@ -214,7 +235,8 @@ class DialogImportBlueprint extends LitElement {
         this._result!.blueprint.metadata.domain,
         filename,
         this._result!.raw_data,
-        this._result!.blueprint.metadata.source_url
+        this._result!.blueprint.metadata.source_url,
+        this._result!.exists
       );
       this._params.importedCallback();
       this.closeDialog();

src/translations/en.json

@@ -2961,6 +2961,9 @@
             "import_btn": "Preview",
             "saving": "Importing blueprint…",
             "save_btn": "Import blueprint",
+            "save_btn_override": "Override blueprint",
+            "override_title": "This blueprint already exists",
+            "override_description": "Importing it will override the existing blueprint. If the updated blueprint is not compatible, it can break your automations. Automations will have to be adjusted manually.",
             "error_no_url": "Please enter the blueprint address.",
             "unsupported_blueprint": "This blueprint is not supported",
             "file_name": "Blueprint Path"