feat: add Golang support and language detection

lib/commands/types.js

@@ -13,6 +13,7 @@ const { Java } = require("../type-generation/languages/java");
 const { Dart } = require("../type-generation/languages/dart");
 const { JavaScript } = require("../type-generation/languages/javascript");
 const { CSharp } = require("../type-generation/languages/csharp");
+const { Golang } = require("../type-generation/languages/golang");
 
 /**
  * @param {string} language
@@ -36,6 +37,8 @@ function createLanguageMeta(language) {
       return new Dart();
     case "cs":
       return new CSharp();
+    case "go":
+      return new Golang();
     default:
       throw new Error(`Language '${language}' is not supported`);
   }

lib/type-generation/languages/golang.js

@@ -0,0 +1,110 @@
+/** @typedef {import('../attribute').Attribute} Attribute */
+const { AttributeType } = require('../attribute');
+const { LanguageMeta } = require("./language");
+
+class Golang extends LanguageMeta {
+    getType(attribute, collections) {
+        let type = "";
+
+        switch (attribute.type) {
+            case AttributeType.STRING:
+            case AttributeType.EMAIL:
+            case AttributeType.DATETIME:
+            case AttributeType.IP:
+            case AttributeType.URL:
+                type = "string";
+                if (attribute.format === AttributeType.ENUM) {
+                    type = LanguageMeta.toPascalCase(attribute.key);
+                }
+                break;
+            case AttributeType.INTEGER:
+                type = "int64";
+                break;
+            case AttributeType.FLOAT:
+                type = "float64";
+                break;
+            case AttributeType.BOOLEAN:
+                type = "bool";
+                break;
+            case AttributeType.RELATIONSHIP:
+                const relatedCollection = collections.find(c => c.$id === attribute.relatedCollection);
+                if (!relatedCollection) {
+                    throw new Error(`Related collection with ID '${attribute.relatedCollection}' not found.`);
+                }
+                type = LanguageMeta.toPascalCase(relatedCollection.name);
+                if ((attribute.relationType === 'oneToMany' && attribute.side === 'parent') || 
+                    (attribute.relationType === 'manyToOne' && attribute.side === 'child') || 
+                    attribute.relationType === 'manyToMany') {
+                    type = `[]${type}`;
+                }
+                break;
+            default:
+                throw new Error(`Unknown attribute type: ${attribute.type}`);
+        }
+
+        if (attribute.array) {
+            type = `[]${type}`;
+        }
+
+        // Handle nullable types with pointer
+        if (!attribute.required && attribute.default === null) {
+            type = `*${type}`;
+        }
+
+        return type;
+    }
+
+    isSingleFile() {
+        return true;
+    }
+
+    getTemplate() {
+        return `package main
+
+import (
+    "encoding/json"
+    "time"
+)
+
+// This file is auto-generated by the Appwrite CLI.
+// You can regenerate it by running \`appwrite <%= process.argv.slice(2).join(' ') %>\`.
+
+<% for (const collection of collections) { -%>
+<% for (const attribute of collection.attributes) { -%>
+<% if (attribute.format === 'enum') { -%>
+// <%= toPascalCase(attribute.key) %> represents the possible values for <%= attribute.key %>
+type <%= toPascalCase(attribute.key) %> string
+
+const (
+<% const entries = Object.entries(attribute.elements); -%>
+<% for (let i = 0; i < entries.length; i++) { -%>
+    <%= toPascalCase(attribute.key) %><%= toPascalCase(entries[i][1]) %> <%= toPascalCase(attribute.key) %> = "<%= entries[i][1] %>"
+<% } -%>
+)
+
+<% } -%>
+<% } -%>
+<% } -%>
+
+<% for (const [index, collection] of Object.entries(collections)) { -%>
+// <%= toPascalCase(collection.name) %> represents a document from the <%= collection.name %> collection
+type <%= toPascalCase(collection.name) %> struct {
+    ID         string    \`json:"$id"\`
+    CreatedAt  time.Time \`json:"$createdAt"\`
+    UpdatedAt  time.Time \`json:"$updatedAt"\`
+    Permission []string  \`json:"$permissions"\`
+<% for (const attribute of collection.attributes) { -%>
+    <%= toPascalCase(attribute.key) %> <%= getType(attribute, collections) %> \`json:"<%= strict ? toCamelCase(attribute.key) : attribute.key %>"\`
+<% } -%>
+}<% if (index < collections.length - 1) { %>
+
+<% } -%>
+<% } -%>`;
+    }
+
+    getFileName(_) {
+        return "appwrite.go";
+    }
+}
+
+module.exports = { Golang };

lib/type-generation/languages/language.js

@@ -119,6 +119,11 @@ function detectLanguage() {
   if (existsFiles("pubspec.yaml")) {
     return "dart";
   }
+
+  // Golang support
+  if (existsFiles("go.mod", "go.sum")) {
+        return "go";
+  }
   throw new Error("Could not detect language, please specify with -l");
 }