From 444a1914c13a974fb779cb047ad225e5d0ef4a2a Mon Sep 17 00:00:00 2001
From: vahidlazio <vahidlazio@gmail.com>
Date: Thu, 11 Apr 2024 17:27:19 +0200
Subject: [PATCH] feat: Confidence value is decodable and encodable with schema
 (#92)

confidence value is decodable and encodable with schema
---
 Sources/Confidence/ConfidenceValue.swift      | 49 +++----------------
 .../ConfidenceValueTests.swift                | 20 ++------
 2 files changed, 13 insertions(+), 56 deletions(-)

diff --git a/Sources/Confidence/ConfidenceValue.swift b/Sources/Confidence/ConfidenceValue.swift
index 29f580a0..303220c8 100644
--- a/Sources/Confidence/ConfidenceValue.swift
+++ b/Sources/Confidence/ConfidenceValue.swift
@@ -2,12 +2,17 @@ import Foundation
 
 public typealias ConfidenceStruct = [String: ConfidenceValue]
 
-public class ConfidenceValue: Equatable, Encodable, CustomStringConvertible {
+public class ConfidenceValue: Equatable, Codable, CustomStringConvertible {
     private let value: ConfidenceValueInternal
     public var description: String {
         return value.description
     }
 
+    public required init(from decoder: Decoder) throws {
+        let container = try decoder.singleValueContainer()
+        self.value = try container.decode(ConfidenceValueInternal.self)
+    }
+
     public init(boolean: Bool) {
         self.value = .boolean(boolean)
     }
@@ -181,8 +186,7 @@ public class ConfidenceValue: Equatable, Encodable, CustomStringConvertible {
 
 extension ConfidenceValue {
     public func encode(to encoder: Encoder) throws {
-        var container = encoder.singleValueContainer()
-        try container.encode(value)
+        try value.encode(to: encoder)
     }
 }
 
@@ -200,7 +204,7 @@ public enum ConfidenceValueType: CaseIterable {
 
 
 /// Serializable data structure meant for event sending via Confidence
-private enum ConfidenceValueInternal: Equatable, Encodable {
+private enum ConfidenceValueInternal: Equatable, Codable {
     case boolean(Bool)
     case string(String)
     case integer(Int64)
@@ -236,40 +240,3 @@ extension ConfidenceValueInternal: CustomStringConvertible {
         }
     }
 }
-
-extension ConfidenceValueInternal {
-    public func encode(to encoder: Encoder) throws {
-        var container = encoder.singleValueContainer()
-
-        switch self {
-        case .null:
-            try container.encodeNil()
-        case .integer(let integer):
-            try container.encode(integer)
-        case .double(let double):
-            try container.encode(double)
-        case .string(let string):
-            try container.encode(string)
-        case .boolean(let boolean):
-            try container.encode(boolean)
-        case .date(let dateComponents):
-            let dateFormatter = ISO8601DateFormatter()
-            dateFormatter.timeZone = TimeZone.current
-            dateFormatter.formatOptions = [.withFullDate]
-            if let date = Calendar.current.date(from: dateComponents) {
-                try container.encode(dateFormatter.string(from: date))
-            } else {
-                throw ConfidenceError.internalError(message: "Could not create date from components")
-            }
-        case .timestamp(let date):
-            let timestampFormatter = ISO8601DateFormatter()
-            timestampFormatter.timeZone = TimeZone.init(identifier: "UTC")
-            let timestamp = timestampFormatter.string(from: date)
-            try container.encode(timestamp)
-        case .structure(let structure):
-            try container.encode(structure)
-        case .list(let list):
-            try container.encode(list)
-        }
-    }
-}
diff --git a/Tests/ConfidenceTests/ConfidenceValueTests.swift b/Tests/ConfidenceTests/ConfidenceValueTests.swift
index 08617c7d..775fbd23 100644
--- a/Tests/ConfidenceTests/ConfidenceValueTests.swift
+++ b/Tests/ConfidenceTests/ConfidenceValueTests.swift
@@ -124,20 +124,10 @@ final class ConfidenceConfidenceValueTests: XCTestCase {
         ]))
         let encoder = JSONEncoder()
         encoder.outputFormatting = .sortedKeys
-        let resultString = String(data: try encoder.encode(value), encoding: .utf8)
-
-        let expectedString = """
-        {\"bool\":true,
-        \"date\":\"2024-04-03\",
-        \"double\":4.5,
-        \"int\":3,
-        \"list\":[3,5],
-        \"null\":null,
-        \"string\":\"value\",
-        \"structure\":{\"int\":5},
-        \"timestamp\":\"2024-04-05T20:00:00Z"}
-        """.replacingOccurrences(of: "\n", with: "") // Newlines were added for readability
-
-        XCTAssertEqual(resultString, expectedString)
+        let resultString = try XCTUnwrap(String(data: try encoder.encode(value), encoding: .utf8))
+        let resultData = try XCTUnwrap(resultString.data(using: .utf8))
+        let decodedValue = try JSONDecoder().decode(ConfidenceValue.self, from: resultData)
+
+        XCTAssertEqual(value, decodedValue)
     }
 }