From 417c04076634ea87d7b3030a1acf46825da6e3e6 Mon Sep 17 00:00:00 2001 From: Jesse Plamondon-Willard Date: Sun, 19 Aug 2018 01:53:35 -0400 Subject: add data API (#468) --- src/SMAPI/Framework/ModHelpers/DataHelper.cs | 155 +++++++++++++++++++++++++++ src/SMAPI/Framework/ModHelpers/ModHelper.cs | 28 +++-- 2 files changed, 167 insertions(+), 16 deletions(-) create mode 100644 src/SMAPI/Framework/ModHelpers/DataHelper.cs (limited to 'src/SMAPI/Framework/ModHelpers') diff --git a/src/SMAPI/Framework/ModHelpers/DataHelper.cs b/src/SMAPI/Framework/ModHelpers/DataHelper.cs new file mode 100644 index 00000000..6ba099b4 --- /dev/null +++ b/src/SMAPI/Framework/ModHelpers/DataHelper.cs @@ -0,0 +1,155 @@ +using System; +using System.IO; +using Newtonsoft.Json; +using StardewModdingAPI.Toolkit.Serialisation; +using StardewModdingAPI.Toolkit.Utilities; +using StardewValley; + +namespace StardewModdingAPI.Framework.ModHelpers +{ + /// Provides an API for reading and storing local mod data. + internal class DataHelper : BaseHelper, IDataHelper + { + /********* + ** Properties + *********/ + /// Encapsulates SMAPI's JSON file parsing. + private readonly JsonHelper JsonHelper; + + /// The absolute path to the mod folder. + private readonly string ModFolderPath; + + + /********* + ** Public methods + *********/ + /// Construct an instance. + /// The unique ID of the relevant mod. + /// The absolute path to the mod folder. + /// The absolute path to the mod folder. + public DataHelper(string modID, string modFolderPath, JsonHelper jsonHelper) + : base(modID) + { + this.ModFolderPath = modFolderPath; + this.JsonHelper = jsonHelper; + } + + /**** + ** JSON file + ****/ + /// Read data from a JSON file in the mod's folder. + /// The model type. This should be a plain class that has public properties for the data you want. The properties can be complex types. + /// The file path relative to the mod folder. + /// Returns the deserialised model, or null if the file doesn't exist or is empty. + /// The is not relative or contains directory climbing (../). + public TModel ReadJsonFile(string path) where TModel : class + { + if (!PathUtilities.IsSafeRelativePath(path)) + throw new InvalidOperationException($"You must call {nameof(IModHelper.Data)}.{nameof(this.ReadJsonFile)} with a relative path."); + + path = Path.Combine(this.ModFolderPath, PathUtilities.NormalisePathSeparators(path)); + return this.JsonHelper.ReadJsonFileIfExists(path, out TModel data) + ? data + : null; + } + + /// Save data to a JSON file in the mod's folder. + /// The model type. This should be a plain class that has public properties for the data you want. The properties can be complex types. + /// The file path relative to the mod folder. + /// The arbitrary data to save. + /// The is not relative or contains directory climbing (../). + public void WriteJsonFile(string path, TModel data) where TModel : class + { + if (!PathUtilities.IsSafeRelativePath(path)) + throw new InvalidOperationException($"You must call {nameof(IModHelper.Data)}.{nameof(this.WriteJsonFile)} with a relative path."); + + path = Path.Combine(this.ModFolderPath, PathUtilities.NormalisePathSeparators(path)); + this.JsonHelper.WriteJsonFile(path, data); + } + + /**** + ** Save file + ****/ + /// Read arbitrary data stored in the current save slot. This is only possible if a save has been loaded. + /// The model type. This should be a plain class that has public properties for the data you want. The properties can be complex types. + /// The unique key identifying the data. + /// Returns the parsed data, or null if the entry doesn't exist or is empty. + /// The player hasn't loaded a save file yet. + public TModel ReadSaveData(string key) where TModel : class + { + if (!Context.IsSaveLoaded) + throw new InvalidOperationException($"Can't invoke {nameof(this.ReadSaveData)} when a save file isn't loaded."); + + return Game1.CustomData.TryGetValue(this.GetSaveFileKey(key), out string value) + ? this.JsonHelper.Deserialise(value) + : null; + } + + /// Save arbitrary data to the current save slot. This is only possible if a save has been loaded, and the data will be lost if the player exits without saving the current day. + /// The model type. This should be a plain class that has public properties for the data you want. The properties can be complex types. + /// The unique key identifying the data. + /// The arbitrary data to save. + /// The player hasn't loaded a save file yet. + public void WriteSaveData(string key, TModel data) where TModel : class + { + if (!Context.IsSaveLoaded) + throw new InvalidOperationException($"Can't invoke {nameof(this.WriteSaveData)} when a save file isn't loaded."); + + Game1.CustomData[this.GetSaveFileKey(key)] = this.JsonHelper.Serialise(data, Formatting.None); + } + + /**** + ** Global app data + ****/ + /// Read arbitrary data stored on the local computer, synchronised by GOG/Steam if applicable. + /// The model type. This should be a plain class that has public properties for the data you want. The properties can be complex types. + /// The unique key identifying the data. + /// Returns the parsed data, or null if the entry doesn't exist or is empty. + public TModel ReadGlobalData(string key) where TModel : class + { + string path = this.GetGlobalDataPath(key); + return this.JsonHelper.ReadJsonFileIfExists(path, out TModel data) + ? data + : null; + } + + /// Save arbitrary data to the local computer, synchronised by GOG/Steam if applicable. + /// The model type. This should be a plain class that has public properties for the data you want. The properties can be complex types. + /// The unique key identifying the data. + /// The arbitrary data to save. + public void WriteGlobalData(string key, TModel data) where TModel : class + { + string path = this.GetGlobalDataPath(key); + this.JsonHelper.WriteJsonFile(path, data); + } + + + /********* + ** Public methods + *********/ + /// Get the unique key for a save file data entry. + /// The unique key identifying the data. + private string GetSaveFileKey(string key) + { + this.AssertSlug(key, nameof(key)); + return $"smapi-mod-data/{this.ModID}/{key}".ToLower(); + } + + /// Get the absolute path for a global data file. + /// The unique key identifying the data. + private string GetGlobalDataPath(string key) + { + this.AssertSlug(key, nameof(key)); + return Path.Combine(Constants.SavesPath, ".smapi-mod-data", this.ModID.ToLower(), $"{key}.json".ToLower()); + } + + /// Assert that a key contains only characters that are safe in all contexts. + /// The key to check. + /// The argument name for any assertion error. + private void AssertSlug(string key, string paramName) + { + if (!PathUtilities.IsSlug(key)) + throw new ArgumentException("The data key is invalid (keys must only contain letters, numbers, underscores, periods, or hyphens).", paramName); + } + } +} diff --git a/src/SMAPI/Framework/ModHelpers/ModHelper.cs b/src/SMAPI/Framework/ModHelpers/ModHelper.cs index 0ba258b4..0ed3df12 100644 --- a/src/SMAPI/Framework/ModHelpers/ModHelper.cs +++ b/src/SMAPI/Framework/ModHelpers/ModHelper.cs @@ -4,9 +4,7 @@ using System.IO; using System.Linq; using StardewModdingAPI.Events; using StardewModdingAPI.Framework.Input; -using StardewModdingAPI.Toolkit.Serialisation; using StardewModdingAPI.Toolkit.Serialisation.Models; -using StardewModdingAPI.Toolkit.Utilities; namespace StardewModdingAPI.Framework.ModHelpers { @@ -16,9 +14,6 @@ namespace StardewModdingAPI.Framework.ModHelpers /********* ** Properties *********/ - /// Encapsulates SMAPI's JSON file parsing. - private readonly JsonHelper JsonHelper; - /// The content packs loaded for this mod. private readonly IContentPack[] ContentPacks; @@ -41,6 +36,9 @@ namespace StardewModdingAPI.Framework.ModHelpers /// An API for loading content assets. public IContentHelper Content { get; } + /// An API for reading and writing persistent mod data. + public IDataHelper Data { get; } + /// An API for checking and changing input state. public IInputHelper Input { get; } @@ -66,11 +64,11 @@ namespace StardewModdingAPI.Framework.ModHelpers /// Construct an instance. /// The mod's unique ID. /// The full path to the mod's folder. - /// Encapsulate SMAPI's JSON parsing. /// Manages the game's input state. /// Manages access to events raised by SMAPI. /// An API for loading content assets. /// An API for managing console commands. + /// An API for reading and writing persistent mod data. /// an API for fetching metadata about loaded mods. /// An API for accessing private game code. /// Provides multiplayer utilities. @@ -80,7 +78,7 @@ namespace StardewModdingAPI.Framework.ModHelpers /// Manages deprecation warnings. /// An argument is null or empty. /// The path does not exist on disk. - public ModHelper(string modID, string modDirectory, JsonHelper jsonHelper, SInputState inputState, IModEvents events, IContentHelper contentHelper, ICommandHelper commandHelper, IModRegistry modRegistry, IReflectionHelper reflectionHelper, IMultiplayerHelper multiplayer, ITranslationHelper translationHelper, IEnumerable contentPacks, Func createContentPack, DeprecationManager deprecationManager) + public ModHelper(string modID, string modDirectory, SInputState inputState, IModEvents events, IContentHelper contentHelper, ICommandHelper commandHelper, IDataHelper dataHelper, IModRegistry modRegistry, IReflectionHelper reflectionHelper, IMultiplayerHelper multiplayer, ITranslationHelper translationHelper, IEnumerable contentPacks, Func createContentPack, DeprecationManager deprecationManager) : base(modID) { // validate directory @@ -91,8 +89,8 @@ namespace StardewModdingAPI.Framework.ModHelpers // initialise this.DirectoryPath = modDirectory; - this.JsonHelper = jsonHelper ?? throw new ArgumentNullException(nameof(jsonHelper)); this.Content = contentHelper ?? throw new ArgumentNullException(nameof(contentHelper)); + this.Data = dataHelper ?? throw new ArgumentNullException(nameof(dataHelper)); this.Input = new InputHelper(modID, inputState); this.ModRegistry = modRegistry ?? throw new ArgumentNullException(nameof(modRegistry)); this.ConsoleCommands = commandHelper ?? throw new ArgumentNullException(nameof(commandHelper)); @@ -113,7 +111,7 @@ namespace StardewModdingAPI.Framework.ModHelpers public TConfig ReadConfig() where TConfig : class, new() { - TConfig config = this.ReadJsonFile("config.json") ?? new TConfig(); + TConfig config = this.Data.ReadJsonFile("config.json") ?? new TConfig(); this.WriteConfig(config); // create file or fill in missing fields return config; } @@ -124,7 +122,7 @@ namespace StardewModdingAPI.Framework.ModHelpers public void WriteConfig(TConfig config) where TConfig : class, new() { - this.WriteJsonFile("config.json", config); + this.Data.WriteJsonFile("config.json", config); } /**** @@ -134,24 +132,22 @@ namespace StardewModdingAPI.Framework.ModHelpers /// The model type. /// The file path relative to the mod directory. /// Returns the deserialised model, or null if the file doesn't exist or is empty. + [Obsolete("Use " + nameof(ModHelper.Data) + "." + nameof(IDataHelper.ReadJsonFile) + " instead")] public TModel ReadJsonFile(string path) where TModel : class { - path = Path.Combine(this.DirectoryPath, PathUtilities.NormalisePathSeparators(path)); - return this.JsonHelper.ReadJsonFileIfExists(path, out TModel data) - ? data - : null; + return this.Data.ReadJsonFile(path); } /// Save to a JSON file. /// The model type. /// The file path relative to the mod directory. /// The model to save. + [Obsolete("Use " + nameof(ModHelper.Data) + "." + nameof(IDataHelper.WriteJsonFile) + " instead")] public void WriteJsonFile(string path, TModel model) where TModel : class { - path = Path.Combine(this.DirectoryPath, PathUtilities.NormalisePathSeparators(path)); - this.JsonHelper.WriteJsonFile(path, model); + this.Data.WriteJsonFile(path, model); } /**** -- cgit