samsa/internal/engines/factory.go
Franz Kafka 8e9aae062b
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rename: kafka → samsa
Full project rename from kafka to samsa (after Gregor Samsa, who
woke one morning from uneasy dreams to find himself transformed).

- Module: github.com/metamorphosis-dev/kafka → samsa
- Binary: cmd/kafka/ → cmd/samsa/
- CSS: kafka.css → samsa.css
- UI: all 'kafka' product names, titles, localStorage keys → samsa
- localStorage keys: kafka-theme → samsa-theme, kafka-engines → samsa-engines
- OpenSearch: ShortName, LongName, description, URLs updated
- AGPL headers: 'kafka' → 'samsa'
- Docs, configs, examples updated
- Cache key prefix: kafka: → samsa:
2026-03-22 23:44:55 +00:00

90 lines
3 KiB
Go

// samsa — a privacy-respecting metasearch engine
// Copyright (C) 2026-present metamorphosis-dev
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package engines
import (
"net/http"
"os"
"time"
"github.com/metamorphosis-dev/samsa/internal/config"
)
// NewDefaultPortedEngines returns the Go-native engine registry.
// If cfg is nil, API keys fall back to environment variables.
func NewDefaultPortedEngines(client *http.Client, cfg *config.Config) map[string]Engine {
if client == nil {
client = &http.Client{Timeout: 10 * time.Second}
}
var braveAPIKey, braveAccessToken, youtubeAPIKey string
if cfg != nil {
braveAPIKey = cfg.Engines.Brave.APIKey
braveAccessToken = cfg.Engines.Brave.AccessToken
youtubeAPIKey = cfg.Engines.YouTube.APIKey
}
if braveAPIKey == "" {
braveAPIKey = os.Getenv("BRAVE_API_KEY")
}
if braveAccessToken == "" {
braveAccessToken = os.Getenv("BRAVE_ACCESS_TOKEN")
}
if youtubeAPIKey == "" {
youtubeAPIKey = os.Getenv("YOUTUBE_API_KEY")
}
return map[string]Engine{
"wikipedia": &WikipediaEngine{client: client},
"arxiv": &ArxivEngine{client: client},
"crossref": &CrossrefEngine{client: client},
"braveapi": &BraveAPIEngine{
client: client,
apiKey: braveAPIKey,
accessGateToken: braveAccessToken,
resultsPerPage: 20,
},
"brave": &BraveEngine{client: client},
"qwant": &QwantEngine{
client: client,
category: "web-lite",
resultsPerPage: 10,
},
"duckduckgo": &DuckDuckGoEngine{client: client},
"github": &GitHubEngine{client: client},
"reddit": &RedditEngine{client: client},
"bing": &BingEngine{client: client},
"google": &GoogleEngine{client: client},
"youtube": &YouTubeEngine{
client: client,
apiKey: youtubeAPIKey,
baseURL: "https://www.googleapis.com",
},
"stackoverflow": &StackOverflowEngine{client: client, apiKey: stackoverflowAPIKey(cfg)},
// Image engines
"bing_images": &BingImagesEngine{client: client},
"ddg_images": &DuckDuckGoImagesEngine{client: client},
"qwant_images": &QwantImagesEngine{client: client},
}
}
// stackoverflowAPIKey returns the Stack Overflow API key from config or env var.
func stackoverflowAPIKey(cfg *config.Config) string {
if cfg != nil && cfg.Engines.StackOverflow != nil && cfg.Engines.StackOverflow.APIKey != "" {
return cfg.Engines.StackOverflow.APIKey
}
return os.Getenv("STACKOVERFLOW_KEY")
}