add registry

src/ForgejoRegistry.zig

@@ -0,0 +1,126 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const ArrayList = std.ArrayList;
+const config = @import("config.zig");
+const Forgejo = @import("providers/Forgejo.zig");
+const Provider = @import("Provider.zig");
+
+forgejo_instances: ArrayList(Forgejo),
+allocator: Allocator,
+
+const Self = @This();
+
+pub fn init(allocator: Allocator, app_config: *const config.Config) !Self {
+    var forgejo_instances = ArrayList(Forgejo).init(allocator);
+
+    // Handle new forgejo array configuration
+    if (app_config.forgejo) |forgejo_config| {
+        for (forgejo_config.instances) |instance| {
+            const forgejo_provider = Forgejo.init(instance.name, instance.base_url, instance.token);
+            try forgejo_instances.append(forgejo_provider);
+        }
+    }
+
+    // Handle legacy codeberg_token for backward compatibility
+    if (app_config.codeberg_token) |token| {
+        // Only add legacy if no forgejo instances were configured
+        if (forgejo_instances.items.len > 0)
+            return error.CodeBergTokenCannotBeProvidedWhenForgejoSet;
+
+        const legacy_provider = Forgejo.init("codeberg", "https://codeberg.org", token);
+        try forgejo_instances.append(legacy_provider);
+    }
+
+    return Self{
+        .forgejo_instances = forgejo_instances,
+        .allocator = allocator,
+    };
+}
+
+pub fn deinit(self: *Self) void {
+    self.forgejo_instances.deinit();
+}
+
+pub fn providers(self: *Self) ![]Provider {
+    const provider_list = try self.allocator.alloc(Provider, self.forgejo_instances.items.len);
+
+    for (self.forgejo_instances.items, 0..) |*forgejo_instance, i| {
+        provider_list[i] = forgejo_instance.provider();
+    }
+
+    return provider_list;
+}
+
+pub fn deinitProviders(self: *Self, provider_list: []Provider) void {
+    self.allocator.free(provider_list);
+}
+
+test "ForgejoRegistry with new config format" {
+    const allocator = std.testing.allocator;
+
+    // Create test instances
+    var instances = try allocator.alloc(config.ForgejoInstance, 2);
+    defer allocator.free(instances);
+
+    instances[0] = config.ForgejoInstance{
+        .name = try allocator.dupe(u8, "codeberg"),
+        .base_url = try allocator.dupe(u8, "https://codeberg.org"),
+        .token = try allocator.dupe(u8, "test_token_1"),
+        .allocator = allocator,
+    };
+    instances[1] = config.ForgejoInstance{
+        .name = try allocator.dupe(u8, "company-forge"),
+        .base_url = try allocator.dupe(u8, "https://git.company.com"),
+        .token = try allocator.dupe(u8, "test_token_2"),
+        .allocator = allocator,
+    };
+
+    // Create test config with forgejo instances
+    const test_config = config.Config{
+        .github_token = null,
+        .gitlab_token = null,
+        .codeberg_token = null,
+        .forgejo = config.ForgejoConfig{
+            .instances = instances,
+            .allocator = allocator,
+        },
+        .sourcehut = null,
+        .allocator = allocator,
+    };
+    defer {
+        for (instances) |*instance| {
+            instance.deinit();
+        }
+    }
+
+    var registry = try Self.init(allocator, &test_config);
+    defer registry.deinit();
+
+    const provider_list = try registry.providers();
+    defer registry.deinitProviders(provider_list);
+
+    try std.testing.expect(provider_list.len == 2);
+}
+
+test "ForgejoRegistry with legacy config format" {
+    const allocator = std.testing.allocator;
+
+    // Create test config with legacy codeberg_token
+    const test_config = config.Config{
+        .github_token = null,
+        .gitlab_token = null,
+        .codeberg_token = try allocator.dupe(u8, "legacy_token"),
+        .forgejo = null,
+        .sourcehut = null,
+        .allocator = allocator,
+    };
+    defer test_config.deinit();
+
+    var registry = try Self.init(allocator, &test_config);
+    defer registry.deinit();
+
+    const provider_list = try registry.providers();
+    defer registry.deinitProviders(provider_list);
+
+    try std.testing.expect(provider_list.len == 1);
+}