chore: rename aelis to freya (#122)

apps/freya-backend/src/sources/errors.ts

@@ -0,0 +1,49 @@
+/**
+ * Thrown when an operation targets a user source that doesn't exist.
+ */
+export class SourceNotFoundError extends Error {
+	readonly sourceId: string
+	readonly userId: string
+
+	constructor(sourceId: string, userId: string) {
+		super(`Source "${sourceId}" not found for user "${userId}"`)
+		this.name = "SourceNotFoundError"
+		this.sourceId = sourceId
+		this.userId = userId
+	}
+}
+
+/**
+ * Thrown when a source config update fails schema validation.
+ */
+export class InvalidSourceConfigError extends Error {
+	readonly sourceId: string
+
+	constructor(sourceId: string, summary: string) {
+		super(summary)
+		this.sourceId = sourceId
+	}
+}
+
+/**
+ * Thrown by providers when credentials fail validation.
+ */
+export class InvalidSourceCredentialsError extends Error {
+	readonly sourceId: string
+
+	constructor(sourceId: string, summary: string) {
+		super(summary)
+		this.name = "InvalidSourceCredentialsError"
+		this.sourceId = sourceId
+	}
+}
+
+/**
+ * Thrown when credential storage is not configured (missing encryption key).
+ */
+export class CredentialStorageUnavailableError extends Error {
+	constructor() {
+		super("Credential storage is not configured")
+		this.name = "CredentialStorageUnavailableError"
+	}
+}