config: add base network config

pkg/connector/config.go

@@ -1,12 +1,41 @@
 package connector
 
 import (
-	"go.mau.fi/util/configupgrade"
+	_ "embed"
+
+	up "go.mau.fi/util/configupgrade"
 )
 
-type TwitterConfig struct {
+//go:embed example-config.yaml
+var ExampleConfig string
+
+type Config struct {
+	Proxy       string `yaml:"proxy"`
+	GetProxyURL string `yaml:"get_proxy_url"`
+
+	UsernameTemplate     string `yaml:"username_template"`
+	DisplaynameTemplate  string `yaml:"displayname_template"`
+	DisplayNameMaxLength int    `yaml:"displayname_max_length"`
+
+	DeliveryReceipts bool `yaml:"delivery_receipts"`
+
+	//displaynameTemplate *template.Template `yaml:"-"`
+}
+
+func upgradeConfig(helper up.Helper) {
+	helper.Copy(up.Str|up.Null, "proxy")
+	helper.Copy(up.Str|up.Null, "get_proxy_url")
+
+	helper.Copy(up.Str, "username_template")
+	helper.Copy(up.Str, "displayname_template")
+	helper.Copy(up.Int, "displayname_max_length")
+
+	helper.Copy(up.Bool, "delivery_receipts")
 }
 
-func (tc *TwitterConnector) GetConfig() (example string, data any, upgrader configupgrade.Upgrader) {
-	return "", nil, configupgrade.NoopUpgrader
+func (tc *TwitterConnector) GetConfig() (string, any, up.Upgrader) {
+	return ExampleConfig, &tc.Config, &up.StructUpgrader{
+		SimpleUpgrader: up.SimpleUpgrader(upgradeConfig),
+		Base:           ExampleConfig,
+	}
 }

pkg/connector/connector.go

@@ -27,7 +27,7 @@ import (
 type TwitterConnector struct {
 	br *bridgev2.Bridge
 
-	Config *TwitterConfig
+	Config *Config
 }
 
 var _ bridgev2.NetworkConnector = (*TwitterConnector)(nil)

pkg/connector/example-config.yaml

@@ -0,0 +1,18 @@
+# Proxy to use for all Twitter connections.
+proxy: null
+# Alternative to proxy: an HTTP endpoint that returns the proxy URL to use for Twitter connections.
+get_proxy_url: null
+
+# Localpart template of MXIDs for Twitter users.
+# {userid} is replaced with the user ID of the Twitter user.
+username_template: "twitter_{userid}"
+# Displayname template for Twitter users.
+# {displayname} is replaced with the display name of the Twitter user.
+# {username} is replaced with the username of the Twitter user.
+displayname_template: "{displayname} (Twitter)"
+# Maximum length of displayname
+displayname_max_length: 100
+
+# Whether the bridge should send a read receipt from the bridge bot when a message has
+# been sent to Twitter.
+delivery_receipts: false