Switch imageUrl to unsplash

Fixes #107 #101

src/default-extend.graphql

@@ -17,5 +17,5 @@ extend type ___RootTypeName___ {
 
 type Pet {
   name: String @fake(type: firstName)
-  image: String @fake(type: imageUrl, options: { imageCategory: cats })
+  image: String @fake(type:imageUrl, imageKeywords: ["cats"] })
 }

src/fake.ts

@@ -118,9 +118,24 @@ const fakeFunctions = {
 
   // Image section
   imageUrl: {
-    args: ['imageWidth', 'imageHeight', 'imageCategory', 'randomizeImageUrl'],
-    func: (width, height, category, randomize) =>
-      faker.image.imageUrl(width, height, category, randomize, false),
+    args: ['imageSize', 'imageKeywords', 'randomizeImageUrl'],
+    func: (size, keywords, randomize) => {
+      let url = 'https://source.unsplash.com/random/';
+
+      if (size != null) {
+        url += `${size.width}x${size.height}/`
+      }
+
+      if (keywords != null && keywords.length > 0) {
+        url += '?' + keywords.join(',');
+      }
+
+      if (randomize === true) {
+        url += '#' + faker.random.number()
+      }
+
+      return url;
+    },
   },
 
   // Internet section

src/fake_definition.ts

@@ -136,20 +136,9 @@ enum fake__Types {
   semver
 }
 
-enum fake__imageCategory {
-  abstract
-  animals
-  business
-  cats
-  city
-  food
-  nightlife
-  fashion
-  people
-  nature
-  sports
-  technics
-  transport
+input fake__imageSize {
+  width: Int!
+  height: Int!
 }
 
 enum fake__loremSize {
@@ -177,11 +166,9 @@ input fake__options {
   "Only for type \`money\`"
   decimalPlaces: Int
   "Only for type \`imageUrl\`"
-  imageWidth: Int
-  "Only for type \`imageUrl\`"
-  imageHeight: Int
-  "Only for type \`imageUrl\`"
-  imageCategory: fake__imageCategory
+  imageSize: fake__imageSize
+  "Only for type \`imageUrl\`. Example value: \`[\\"nature\\", \\"water\\"]\`."
+  imageKeywords: [String!]
   "Only for type \`imageUrl\`"
   randomizeImageUrl: Boolean
   "Only for type \`email\`"