Refactor proposal (#63)

Author: mckomo-cl

src/internal/models/createBackgroundModel.ts

@@ -205,7 +205,7 @@ function createPredominantGradientBackgroundModel(background: BackgroundPredomin
 function createGenerativeFillBackgroundModel(background: BackgroundGenerativeFillQualifier): IGenerativeFillBackgroundModel {
   return {
     backgroundType: background.getBackgroundType(),
-    ...(background.getPrompt() ? { prompt: decodeURIComponent(background.getPrompt()) } : {})
+    ...(background.getPrompt() ? { prompt: background.getPrompt() } : {})
   };
 }
 

src/qualifiers/background/shared/BackgroundGenerativeFillQualifier.ts

@@ -16,12 +16,12 @@ class BackgroundGenerativeFillQualifier extends BackgroundQualifier {
   }
 
   prompt(prompt: string): BackgroundGenerativeFillQualifier {
-    this._prompt = prompt ? encodePromptComponent(prompt) : prompt;
+    this._prompt = decodeURIComponent(prompt);
     return this;
   }
 
   getPrompt(): string | undefined {
-    return this._prompt ? decodeURIComponent(this._prompt) : this._prompt;
+    return this._prompt;
   }
 
   getBackgroundType(): 'generativeFill' {
@@ -33,7 +33,7 @@ class BackgroundGenerativeFillQualifier extends BackgroundQualifier {
    * Override the toString() function to explicitly stringify the qualifier.
    */
   toString(): string {
-    return `b_gen_fill${this._prompt ? `:prompt_${this._prompt}` : ''}`;
+    return `b_gen_fill${this._prompt ? `:prompt_${encodePromptComponent(this._prompt)}` : ''}`;
   }
 }