Created initial Volo.Abp.BlobStoring package

framework/Volo.Abp.sln

@@ -291,6 +291,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.AspNetCore.SignalR
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.Tests", "test\Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.Tests\Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.Tests.csproj", "{79323211-E658-493E-9863-035AA4C3F913}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.BlobStoring", "src\Volo.Abp.BlobStoring\Volo.Abp.BlobStoring.csproj", "{A0CFBDD6-A3CB-438C-83F1-5025F12E2D42}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -865,6 +867,10 @@ Global
 		{79323211-E658-493E-9863-035AA4C3F913}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{79323211-E658-493E-9863-035AA4C3F913}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{79323211-E658-493E-9863-035AA4C3F913}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A0CFBDD6-A3CB-438C-83F1-5025F12E2D42}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A0CFBDD6-A3CB-438C-83F1-5025F12E2D42}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A0CFBDD6-A3CB-438C-83F1-5025F12E2D42}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A0CFBDD6-A3CB-438C-83F1-5025F12E2D42}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -1012,6 +1018,7 @@ Global
 		{B64FCE08-E9D2-4984-BF12-FE199F257416} = {5DF0E140-0513-4D0D-BE2E-3D4D85CD70E6}
 		{8B758716-DCC9-4223-8421-5588D1597487} = {447C8A77-E5F0-4538-8687-7383196D04EA}
 		{79323211-E658-493E-9863-035AA4C3F913} = {447C8A77-E5F0-4538-8687-7383196D04EA}
+		{A0CFBDD6-A3CB-438C-83F1-5025F12E2D42} = {5DF0E140-0513-4D0D-BE2E-3D4D85CD70E6}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {BB97ECF4-9A84-433F-A80B-2A3285BDD1D5}

framework/src/Volo.Abp.BlobStoring/FodyWeavers.xml

@@ -0,0 +1,3 @@
+<Weavers xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="FodyWeavers.xsd">
+  <ConfigureAwait ContinueOnCapturedContext="false" />
+</Weavers>

framework/src/Volo.Abp.BlobStoring/FodyWeavers.xsd

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
+  <!-- This file was generated by Fody. Manual changes to this file will be lost when your project is rebuilt. -->
+  <xs:element name="Weavers">
+    <xs:complexType>
+      <xs:all>
+        <xs:element name="ConfigureAwait" minOccurs="0" maxOccurs="1">
+          <xs:complexType>
+            <xs:attribute name="ContinueOnCapturedContext" type="xs:boolean" />
+          </xs:complexType>
+        </xs:element>
+      </xs:all>
+      <xs:attribute name="VerifyAssembly" type="xs:boolean">
+        <xs:annotation>
+          <xs:documentation>'true' to run assembly verification (PEVerify) on the target assembly after all weavers have been executed.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+      <xs:attribute name="VerifyIgnoreCodes" type="xs:string">
+        <xs:annotation>
+          <xs:documentation>A comma-separated list of error codes that can be safely ignored in assembly verification.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+      <xs:attribute name="GenerateXsd" type="xs:boolean">
+        <xs:annotation>
+          <xs:documentation>'false' to turn off automatic generation of the XML Schema file.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+</xs:schema>

framework/src/Volo.Abp.BlobStoring/Volo.Abp.BlobStoring.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\..\..\configureawait.props" />
+  <Import Project="..\..\..\common.props" />
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <AssemblyName>Volo.Abp.BlobStoring</AssemblyName>
+    <PackageId>Volo.Abp.BlobStoring</PackageId>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <RootNamespace />
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Volo.Abp.Core\Volo.Abp.Core.csproj" />
+  </ItemGroup>
+
+</Project>

framework/src/Volo.Abp.BlobStoring/Volo/Abp/BlobStoring/AbpBlobStoringModule.cs

@@ -0,0 +1,9 @@
+using Volo.Abp.Modularity;
+
+namespace Volo.Abp.BlobStoring
+{
+    public class AbpBlobStoringModule : AbpModule
+    {
+        
+    }
+}

framework/src/Volo.Abp.BlobStoring/Volo/Abp/BlobStoring/IBlobManager.cs

@@ -0,0 +1,87 @@
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Volo.Abp.BlobStoring
+{
+    public interface IBlobContainer
+    {
+        /// <summary>
+        /// Saves a blob <see cref="Stream"/> to the container.
+        /// </summary>
+        /// <param name="name">The name of the blob</param>
+        /// <param name="stream">A stream for the blob</param>
+        /// <param name="overrideExisting">
+        /// Set <code>true</code> to override if there is already a blob in the container with the given name.
+        /// If set to <code>false</code> (default), throws exception if there is already a blob in the container with the given name.
+        /// </param>
+        /// <param name="cancellationToken">Cancellation token</param>
+        Task SaveAsync(
+            string name,
+            Stream stream,
+            bool overrideExisting = false,
+            CancellationToken cancellationToken = default
+        );
+        
+        /// <summary>
+        /// Deletes a blob from the container.
+        /// </summary>
+        /// <param name="name">The name of the blob</param>
+        /// <param name="cancellationToken">Cancellation token</param>
+        /// <returns>
+        /// Returns true if actually deleted the blob.
+        /// Returns false if the blob with the given <paramref name="name"/> was not exists.  
+        /// </returns>
+        Task<bool> DeleteAsync(
+            string name,
+            CancellationToken cancellationToken = default
+        );
+        
+        /// <summary>
+        /// Checks if a blob does exists in the container.
+        /// </summary>
+        /// <param name="name">The name of the blob</param>
+        /// <param name="cancellationToken">Cancellation token</param>
+        Task<bool> ExistsAsync(
+            string name,
+            CancellationToken cancellationToken = default
+        );
+        
+        /// <summary>
+        /// Gets a blob from the container.
+        /// It actually gets a <see cref="Stream"/> to read the blob data.
+        /// It throws exception if there is no blob with the given <paramref name="name"/>.
+        /// Use <see cref="GetOrNullAsync"/> if you want to get <code>null</code> if there is no blob with the given <paramref name="name"/>. 
+        /// </summary>
+        /// <param name="name">The name of the blob</param>
+        /// <param name="cancellationToken">Cancellation token</param>
+        /// <returns>
+        /// A <see cref="Stream"/> to read the blob data.
+        /// </returns>
+        Task<Stream> GetAsync(
+            string name,
+            CancellationToken cancellationToken = default
+        );
+        
+        /// <summary>
+        /// Gets a blob from the container, or returns null if there is no blob with the given <paramref name="name"/>.
+        /// It actually gets a <see cref="Stream"/> to read the blob data.
+        /// </summary>
+        /// <param name="name">The name of the blob</param>
+        /// <param name="cancellationToken">Cancellation token</param>
+        /// <returns>
+        /// A <see cref="Stream"/> to read the blob data.
+        /// </returns>
+        Task<Stream> GetOrNullAsync(
+            string name,
+            CancellationToken cancellationToken = default
+        );
+        
+        //TODO: Create shortcut extension methods: GetAsArraryAsync, GetAsStringAsync(encoding) (and null versions)
+    }
+    
+    public interface IBlobContainerManager
+    {
+        //Get (or create), Delete (if does exists)
+    }
+}