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controller state save and restore abillity
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| using System.Reflection; | ||
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| namespace Deployf.Botf; | ||
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| public struct BotControllerStateService | ||
| { | ||
| public static Dictionary<Type, Func<BotController, Task>?> _savers = new (); | ||
| public static Dictionary<Type, Func<BotController, Task>?> _loaders = new (); | ||
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| public async Task Load(BotController controller) | ||
| { | ||
| var controllerType = controller.GetType(); | ||
| if (_loaders.TryGetValue(controllerType, out var loader) && loader != null) | ||
| { | ||
| await loader(controller); | ||
| return; | ||
| } | ||
|
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| List<FieldInfo> fields; | ||
| List<PropertyInfo> props; | ||
| ExtractMembers(controllerType, out fields, out props); | ||
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| if (fields.Count > 0 || props.Count > 0) | ||
| { | ||
| loader = async (BotController _controller) => | ||
| { | ||
| var storage = _controller.Store!; | ||
| foreach (var field in fields) | ||
| { | ||
| var value = await storage.Get(_controller.FromId, GetKey(field, controllerType), null); | ||
| field.SetValue(_controller, value); | ||
| } | ||
| foreach (var prop in props) | ||
| { | ||
| var value = await storage.Get(_controller.FromId, GetKey(prop, controllerType), null); | ||
| prop.SetValue(_controller, value); | ||
| } | ||
| }; | ||
|
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| _loaders[controllerType] = loader; | ||
|
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| await loader(controller); | ||
| } | ||
| else | ||
| { | ||
| _loaders[controllerType] = null; | ||
| } | ||
| } | ||
|
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| public async Task Save(BotController controller) | ||
| { | ||
| var controllerType = controller.GetType(); | ||
| if (_savers.TryGetValue(controllerType, out var saver) && saver != null) | ||
| { | ||
| await saver(controller); | ||
| return; | ||
| } | ||
|
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| List<FieldInfo> fields; | ||
| List<PropertyInfo> props; | ||
| ExtractMembers(controllerType, out fields, out props); | ||
|
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| if (fields.Count > 0 || props.Count > 0) | ||
| { | ||
| saver = async (BotController _controller) => | ||
| { | ||
| var storage = _controller.Store!; | ||
| foreach (var field in fields) | ||
| { | ||
| var value = field.GetValue(_controller); | ||
| var key = GetKey(field, controllerType); | ||
| if(value != null) | ||
| { | ||
| await storage.Set(_controller.FromId, key, value); | ||
| } | ||
| else | ||
| { | ||
| await storage.Remove(_controller.FromId, key); | ||
| } | ||
| } | ||
| foreach (var prop in props) | ||
| { | ||
| var value = prop.GetValue(_controller); | ||
| var key = GetKey(prop, controllerType); | ||
| if(value != null) | ||
| { | ||
| await storage.Set(_controller.FromId, key, value); | ||
| } | ||
| else | ||
| { | ||
| await storage.Remove(_controller.FromId, key); | ||
| } | ||
| } | ||
| }; | ||
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| _savers[controllerType] = saver; | ||
|
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| await saver(controller); | ||
| } | ||
| else | ||
| { | ||
| _savers[controllerType] = null; | ||
| } | ||
| } | ||
|
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| static void ExtractMembers(Type controllerType, out List<FieldInfo> fields, out List<PropertyInfo> props) | ||
| { | ||
| const BindingFlags bindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy; | ||
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| fields = controllerType | ||
| .GetFields(bindingFlags) | ||
| .Where(c => c.GetCustomAttribute<StateAttribute>() != null) | ||
| .ToList(); | ||
| props = controllerType | ||
| .GetProperties(bindingFlags) | ||
| .Where(c => c.GetCustomAttribute<StateAttribute>() != null) | ||
| .ToList(); | ||
| } | ||
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| static string GetKey(MemberInfo member, Type controllerType) | ||
| { | ||
| return $"$ctrl-state_{controllerType.Name}.{member.Name}"; | ||
| } | ||
| } |
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13 changes: 13 additions & 0 deletions
13
Examples/Deployf.Botf.ControllerStateExample/Deployf.Botf.ControllerStateExample.csproj
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk.Web"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <Nullable>enable</Nullable> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\Deployf.Botf\Deployf.Botf.csproj" /> | ||
| </ItemGroup> | ||
|
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| </Project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| using Deployf.Botf; | ||
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| BotfProgram.StartBot(args); | ||
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| class ControllerStateExample : BotController | ||
| { | ||
| [State] | ||
| ExampleClass _data; | ||
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| [State] | ||
| int intField; | ||
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| int nonStateIntField; | ||
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| [Action("/start", "start the bot")] | ||
| public void Start() | ||
| { | ||
| PushL($"Hello!"); | ||
| PushL("This is an example of how to store controllers state(fields and props) through updates"); | ||
| PushL("Current controller state:"); | ||
| DumpState(); | ||
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| PushL(); | ||
| PushL("For refresh call /start"); | ||
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| RowButton("Set random _data", Q(SetRandom_data)); | ||
| RowButton("Set random intField", Q(SetRandom_intField)); | ||
| RowButton("Set random nonStateIntField", Q(SetRandom_nonStateIntField)); | ||
| } | ||
|
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| [Action] | ||
| void SetRandom_data() | ||
| { | ||
| _data = new ExampleClass() | ||
| { | ||
| IntField = Random.Shared.Next(), | ||
| StringProp = Guid.NewGuid().ToString() | ||
| }; | ||
| Start(); | ||
| } | ||
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| [Action] | ||
| void SetRandom_intField() | ||
| { | ||
| intField = Random.Shared.Next(); | ||
| Start(); | ||
| } | ||
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| [Action] | ||
| void SetRandom_nonStateIntField() | ||
| { | ||
| nonStateIntField = Random.Shared.Next(); | ||
| Start(); | ||
| } | ||
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| void DumpState() | ||
| { | ||
| if(_data == null) | ||
| { | ||
| PushL("_data is null"); | ||
| } | ||
| else | ||
| { | ||
| PushL($"_data is {_data.ToString()}"); | ||
| } | ||
|
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| PushL($"intField is {intField}"); | ||
| PushL($"nonStateIntField is {nonStateIntField}"); | ||
| } | ||
| } | ||
|
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| class ExampleClass | ||
| { | ||
| public int IntField; | ||
| public string StringProp { get; set; } | ||
|
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| public override string ToString() => $"({IntField}, {StringProp})"; | ||
| } |
13 changes: 13 additions & 0 deletions
13
Examples/Deployf.Botf.ControllerStateExample/Properties/launchSettings.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| { | ||
| "profiles": { | ||
| "Deployf.Botf.HelloExample": { | ||
| "commandName": "Project", | ||
| "dotnetRunMessages": true, | ||
| "launchBrowser": false, | ||
| "applicationUrl": "http://localhost:5281", | ||
| "environmentVariables": { | ||
| "ASPNETCORE_ENVIRONMENT": "Development" | ||
| } | ||
| } | ||
| } | ||
| } |
9 changes: 9 additions & 0 deletions
9
Examples/Deployf.Botf.ControllerStateExample/appsettings.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| { | ||
| "Logging": { | ||
| "LogLevel": { | ||
| "Default": "Information", | ||
| "Microsoft.AspNetCore": "Warning" | ||
| } | ||
| }, | ||
| "AllowedHosts": "*" | ||
| } |