Refactor data sources and feed model

IrisCompanion/iris/Models/WinnerEnvelope.swift

@@ -7,82 +7,6 @@
 
 import Foundation
 
-struct WinnerEnvelope: Codable, Equatable {
-    struct DebugInfo: Codable, Equatable {
-        let reason: String
-        let source: String
-    }
-
-    let schema: Int
-    let generatedAt: Int
-    let winner: Winner
-    let debug: DebugInfo?
-
-    enum CodingKeys: String, CodingKey {
-        case schema
-        case generatedAt = "generated_at"
-        case winner
-        case debug
-    }
-
-    static func allQuiet(now: Int, reason: String = "no_candidates", source: String = "engine") -> WinnerEnvelope {
-        let winner = Winner(
-            id: "quiet-000",
-            type: .allQuiet,
-            title: "All Quiet",
-            subtitle: "No urgent updates",
-            priority: 0.05,
-            ttlSec: 300
-        )
-        return WinnerEnvelope(schema: 1, generatedAt: now, winner: winner, debug: .init(reason: reason, source: source))
-    }
-}
-
-enum EnvelopeValidationError: Error, LocalizedError {
-    case invalidSchema(Int)
-    case invalidPriority(Double)
-    case invalidTTL(Int)
-
-    var errorDescription: String? {
-        switch self {
-        case .invalidSchema(let schema):
-            return "Invalid schema \(schema). Expected 1."
-        case .invalidPriority(let priority):
-            return "Invalid priority \(priority). Must be between 0 and 1."
-        case .invalidTTL(let ttl):
-            return "Invalid ttl \(ttl). Must be greater than 0."
-        }
-    }
-}
-
-func validateEnvelope(_ envelope: WinnerEnvelope) throws -> WinnerEnvelope {
-    guard envelope.schema == 1 else {
-        throw EnvelopeValidationError.invalidSchema(envelope.schema)
-    }
-    guard envelope.winner.priority >= 0.0, envelope.winner.priority <= 1.0 else {
-        throw EnvelopeValidationError.invalidPriority(envelope.winner.priority)
-    }
-    guard envelope.winner.ttlSec > 0 else {
-        throw EnvelopeValidationError.invalidTTL(envelope.winner.ttlSec)
-    }
-
-    let validatedWinner = Winner(
-        id: envelope.winner.id,
-        type: envelope.winner.type,
-        title: envelope.winner.title.truncated(maxLength: TextConstraints.titleMax),
-        subtitle: envelope.winner.subtitle.truncated(maxLength: TextConstraints.subtitleMax),
-        priority: envelope.winner.priority,
-        ttlSec: envelope.winner.ttlSec
-    )
-
-    return WinnerEnvelope(
-        schema: envelope.schema,
-        generatedAt: envelope.generatedAt,
-        winner: validatedWinner,
-        debug: envelope.debug
-    )
-}
-
 enum TextConstraints {
     static let titleMax = 26
     static let subtitleMax = 30
@@ -97,4 +21,3 @@ extension String {
         return String(prefix(maxLength - ellipsisCount)) + TextConstraints.ellipsis
     }
 }
-