✨ Add FirebaseFetcher

Cartfile

@@ -0,0 +1,2 @@
+binary "https://dl.google.com/dl/firebase/ios/carthage/FirebaseAnalyticsBinary.json" ~> 10.19
+binary "https://dl.google.com/dl/firebase/ios/carthage/FirebaseRemoteConfigBinary.json" ~> 10.19

Cartfile.resolved

@@ -0,0 +1,2 @@
+binary "https://dl.google.com/dl/firebase/ios/carthage/FirebaseAnalyticsBinary.json" "10.19.0"
+binary "https://dl.google.com/dl/firebase/ios/carthage/FirebaseRemoteConfigBinary.json" "10.19.0"

Package.resolved

@@ -0,0 +1,122 @@
+{
+  "pins" : [
+    {
+      "identity" : "abseil-cpp-binary",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/abseil-cpp-binary.git",
+      "state" : {
+        "revision" : "bfc0b6f81adc06ce5121eb23f628473638d67c5c",
+        "version" : "1.2022062300.0"
+      }
+    },
+    {
+      "identity" : "app-check",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/app-check.git",
+      "state" : {
+        "revision" : "5746b2d35c91c50581590ed97abe4c06b5037274",
+        "version" : "10.18.0"
+      }
+    },
+    {
+      "identity" : "firebase-ios-sdk",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/firebase/firebase-ios-sdk",
+      "state" : {
+        "revision" : "c60c958e707c50a9cf8bcb7cfd7d51c566d726c5",
+        "version" : "10.19.1"
+      }
+    },
+    {
+      "identity" : "googleappmeasurement",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/GoogleAppMeasurement.git",
+      "state" : {
+        "revision" : "6b332152355c372ace9966d8ee76ed191f97025e",
+        "version" : "10.17.0"
+      }
+    },
+    {
+      "identity" : "googledatatransport",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/GoogleDataTransport.git",
+      "state" : {
+        "revision" : "a732a4b47f59e4f725a2ea10f0c77e93a7131117",
+        "version" : "9.3.0"
+      }
+    },
+    {
+      "identity" : "googleutilities",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/GoogleUtilities.git",
+      "state" : {
+        "revision" : "bc27fad73504f3d4af235de451f02ee22586ebd3",
+        "version" : "7.12.1"
+      }
+    },
+    {
+      "identity" : "grpc-binary",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/grpc-binary.git",
+      "state" : {
+        "revision" : "a673bc2937fbe886dd1f99c401b01b6d977a9c98",
+        "version" : "1.49.1"
+      }
+    },
+    {
+      "identity" : "gtm-session-fetcher",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/gtm-session-fetcher.git",
+      "state" : {
+        "revision" : "115f75e43851774934d695449a4836123c3246e1",
+        "version" : "3.2.0"
+      }
+    },
+    {
+      "identity" : "interop-ios-for-google-sdks",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/interop-ios-for-google-sdks.git",
+      "state" : {
+        "revision" : "2d12673670417654f08f5f90fdd62926dc3a2648",
+        "version" : "100.0.0"
+      }
+    },
+    {
+      "identity" : "leveldb",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/firebase/leveldb.git",
+      "state" : {
+        "revision" : "9d108e9112aa1d65ce508facf804674546116d9c",
+        "version" : "1.22.3"
+      }
+    },
+    {
+      "identity" : "nanopb",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/firebase/nanopb.git",
+      "state" : {
+        "revision" : "819d0a2173aff699fb8c364b6fb906f7cdb1a692",
+        "version" : "2.30909.0"
+      }
+    },
+    {
+      "identity" : "promises",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/promises.git",
+      "state" : {
+        "revision" : "e70e889c0196c76d22759eb50d6a0270ca9f1d9e",
+        "version" : "2.3.1"
+      }
+    },
+    {
+      "identity" : "swift-protobuf",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-protobuf.git",
+      "state" : {
+        "revision" : "65e8f29b2d63c4e38e736b25c27b83e012159be8",
+        "version" : "1.25.2"
+      }
+    }
+  ],
+  "version" : 2
+}

Package.swift

@@ -13,6 +13,13 @@ let package = Package(
         .library(name: "ACKategories", targets: ["ACKategories"]),
         .library(name: "ACKategoriesTesting", targets: ["ACKategoriesTesting"]),
         .library(name: "Networking", targets: ["Networking"]),
+        .library(name: "FirebaseFetcher", targets: ["FirebaseFetcher"]),
+    ],
+    dependencies: [
+        .package(
+            url: "https://github.com/firebase/firebase-ios-sdk",
+            from: "10.19.0"
+        ),
     ],
     targets: [
         .target(name: "ACKategories"),
@@ -38,5 +45,12 @@ let package = Package(
                 "Networking",
             ]
         ),
+        .target(
+            name: "FirebaseFetcher",
+            dependencies: [
+                "ACKategories",
+                .product(name: "FirebaseRemoteConfig", package: "firebase-ios-sdk"),
+            ]
+        ),
     ]
 )

Sources/FirebaseFetcher/FirebaseFetcher.swift

@@ -0,0 +1,22 @@
+import ACKategories
+import FirebaseRemoteConfig
+
+public final class FirebaseFetcher: MinBuildNumberFetcher {
+    public var minBuildNumber: Int {
+        get async throws {
+            try await remoteConfig.fetchAndActivate()
+            return remoteConfig[decodedValue: key] ?? Int.max
+        }
+    }
+
+    private let key: String
+    private let remoteConfig: RemoteConfig
+
+    public init(
+        key: String,
+        remoteConfig: RemoteConfig = RemoteConfig.remoteConfig()
+    ) {
+        self.key = key
+        self.remoteConfig = remoteConfig
+    }
+}