Merge branch 'main' of https://github.com/abuzuhri/Amazon-SP-API-CSharp

Author: abuzuhri

README.md

@@ -530,7 +530,104 @@ var processingReport = await amazonConnection.Feed.GetJsonFeedDocumentProcessing
 
 ```
 
+#### Website authorization workflow.
+```CSharp
+    [HttpGet("AuthorizeAmazon")]
+    public async Task<IActionResult> AuthorizeAmazon()
+    {
+        // Step 2-5 of the website authorization workflow.
+
+        // Step 2-3: Amazon calls our log-in URI with amazon_callback_uri.
+        var amazonCallbackUri = Request.Query["amazon_callback_uri"].ToString();
+        if (!string.IsNullOrEmpty(amazonCallbackUri))
+        {
+            var amazonState = Request.Query["amazon_state"].ToString();
+            var version = configuration["FikaAmazonAPI:AuthorizeVersion"];
+            var redirectUri = configuration["FikaAmazonAPI:AmazonCallbackUri"];
+
+            var generatedState = Guid.NewGuid().ToString("N");
+            Response.Cookies.Append("amazon_oauth_state", generatedState, new CookieOptions
+            {
+                HttpOnly = true,
+                Secure = true,
+                SameSite = SameSiteMode.Lax,
+                Expires = DateTimeOffset.UtcNow.AddMinutes(5)
+            });
+
+            var query = new Dictionary<string, string?>
+            {
+                ["redirect_uri"] = redirectUri,
+                ["amazon_state"] = amazonState,
+                ["state"] = generatedState
+            };
+
+            if (!string.IsNullOrEmpty(version))
+            {
+                query["version"] = version;
+            }
+
+            Response.Headers["Referrer-Policy"] = "no-referrer";
+            var redirectUrl = QueryHelpers.AddQueryString(amazonCallbackUri, query!);
+            return Redirect(redirectUrl);
+        }
+
+        // Step 4-5: Amazon redirects back to our redirect_uri with authorization code.
+        var state = Request.Query["state"].ToString();
+        var sellingPartnerId = Request.Query["selling_partner_id"].ToString();
+        var mwsAuthToken = Request.Query["mws_auth_token"].ToString();
+        var code = Request.Query["spapi_oauth_code"].ToString();
+
+        var storedState = Request.Cookies["amazon_oauth_state"];
+        if (string.IsNullOrEmpty(state) || storedState != state)
+        {
+            return BadRequest("Invalid state");
+        }
+
+        Response.Cookies.Delete("amazon_oauth_state");
+
+        if (string.IsNullOrEmpty(code))
+        {
+            return BadRequest("Missing spapi_oauth_code");
+        }
 
+        var clientId = configuration["FikaAmazonAPI:ClientId"];
+        var clientSecret = configuration["FikaAmazonAPI:ClientSecret"];
+        var callbackUri = configuration["FikaAmazonAPI:AmazonCallbackUri"];
+
+        using var httpClient = new HttpClient();
+        var form = new FormUrlEncodedContent(new Dictionary<string, string>
+        {
+            ["grant_type"] = "authorization_code",
+            ["code"] = code,
+            ["client_id"] = clientId ?? string.Empty,
+            ["client_secret"] = clientSecret ?? string.Empty,
+            ["redirect_uri"] = callbackUri ?? string.Empty
+        });
+
+        using var response = await httpClient.PostAsync("https://api.amazon.com/auth/o2/token", form);
+        var responseBody = await response.Content.ReadAsStringAsync();
+        if (!response.IsSuccessStatusCode)
+        {
+            return BadRequest(responseBody);
+        }
+
+        using var document = JsonDocument.Parse(responseBody);
+        var refreshToken = document.RootElement.GetProperty("refresh_token").GetString();
+        var accessToken = document.RootElement.GetProperty("access_token").GetString();
+
+        return Json(new
+        {
+            state,
+            selling_partner_id = sellingPartnerId,
+            mws_auth_token = mwsAuthToken,
+            refresh_token = refreshToken,
+            access_token = accessToken
+        });
+    }
+
+```
+
+ 
 #### Feed Submit for change Quantity
 ```CSharp
 ConstructFeedService createDocument = new ConstructFeedService("{SellerID}", "1.02");

Source/FikaAmazonAPI/AmazonSpApiSDK/Models/ListingsItems/AsinIdentifier.cs

@@ -0,0 +1,140 @@
+/* 
+ * Selling Partner API for Pricing
+ *
+ * The Selling Partner API for Pricing helps you programmatically retrieve product pricing and offer information for Amazon Marketplace products.
+ *
+ * OpenAPI spec version: v0
+ * 
+ * Generated by: https://github.com/swagger-api/swagger-codegen.git
+ */
+
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+
+namespace FikaAmazonAPI.AmazonSpApiSDK.Models.ListingsItems
+{
+    /// <summary>
+    /// AsinIdentifier
+    /// </summary>
+    [DataContract]
+    public partial class AsinIdentifier : IEquatable<AsinIdentifier>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="AsinIdentifier" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        public AsinIdentifier() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="AsinIdentifier" /> class.
+        /// </summary>
+        /// <param name="marketplaceId">A marketplace identifier. Identifies the Amazon marketplace for the listings item.</param>
+        /// <param name="asin">Amazon Standard Identification Number (ASIN) of the listings item.</param>
+        public AsinIdentifier(string marketplaceId = default(string), string asin = default(string))
+        {
+
+        }
+
+        /// <summary>
+        /// A marketplace identifier. Identifies the Amazon marketplace for the listings item.
+        /// </summary>
+        /// <value>A marketplace identifier. Identifies the Amazon marketplace for the listings item.</value>
+        [DataMember(Name = "marketplaceId", EmitDefaultValue = false)]
+        public string MarketplaceId { get; set; }
+
+        /// <summary>
+        /// Amazon Standard Identification Number (ASIN) of the listings item.
+        /// </summary>
+        /// <value>Amazon Standard Identification Number (ASIN) of the listings item.</value>
+        [DataMember(Name = "asin", EmitDefaultValue = false)]
+        public string Asin { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            var sb = new StringBuilder();
+            sb.Append("class AsinIdentifier {\n");
+            sb.Append("  MarketplaceId: ").Append(MarketplaceId).Append("\n");
+            sb.Append("  Asin: ").Append(Asin).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public string ToJson()
+        {
+            return JsonConvert.SerializeObject(this, Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as AsinIdentifier);
+        }
+
+        /// <summary>
+        /// Returns true if AsinIdentifier instances are equal
+        /// </summary>
+        /// <param name="input">Instance of AsinIdentifier to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(AsinIdentifier input)
+        {
+            if (input == null)
+                return false;
+
+            return
+                (
+                    this.MarketplaceId == input.MarketplaceId ||
+                    (this.MarketplaceId != null &&
+                    this.MarketplaceId.Equals(input.MarketplaceId))
+                ) &&
+                (
+                    this.Asin == input.Asin ||
+                    (this.Asin != null &&
+                    this.Asin.Equals(input.Asin))
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.MarketplaceId != null)
+                    hashCode = hashCode * 59 + this.MarketplaceId.GetHashCode();
+                if (this.Asin != null)
+                    hashCode = hashCode * 59 + this.Asin.GetHashCode();
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}

Source/FikaAmazonAPI/AmazonSpApiSDK/Models/ListingsItems/Audience.cs

@@ -0,0 +1,140 @@
+/* 
+ * Selling Partner API for Listings Items
+ *
+ * The Selling Partner API for Listings Items (Listings Items API) provides programmatic access to selling partner listings on Amazon. Use this API in collaboration with the Selling Partner API for Product Type Definitions, which you use to retrieve the information about Amazon product types needed to use the Listings Items API.  For more information, see the [Listings Items API Use Case Guide](doc:listings-items-api-v2021-08-01-use-case-guide).
+ *
+ * OpenAPI spec version: 2021-08-01
+ * 
+ * Generated by: https://github.com/swagger-api/swagger-codegen.git
+ */
+
+using System;
+using System.IO;
+using System.Text;
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+using Newtonsoft.Json;
+using System.ComponentModel.DataAnnotations;
+
+namespace FikaAmazonAPI.AmazonSpApiSDK.Models.ListingsItems
+{
+    /// <summary>
+    /// Buyer segment or program this offer is applicable to.
+    /// </summary>
+    [DataContract]
+    public partial class Audience :  IEquatable<Audience>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Audience" /> class.
+        /// </summary>
+        [JsonConstructorAttribute]
+        protected Audience() { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Audience" /> class.
+        /// </summary>
+        /// <param name="value">Name of the audience an offer is applicable to.</param>
+        /// <param name="displayName">Localized display name for the audience.</param>
+        public Audience(OfferAudienceEnum? value = default(OfferAudienceEnum?), string displayName = default(string))
+        {
+
+        }
+
+        /// <summary>
+        /// Name of the audience an offer is applicable to.
+        /// </summary>
+        /// <value>Name of the audience an offer is applicable to.</value>
+        [DataMember(Name= "value", EmitDefaultValue=false)]
+        public OfferAudienceEnum? Value { get; set; }
+
+        /// <summary>
+        /// Localized display name for the audience.
+        /// </summary>
+        /// <value>Localized display name for the audience.</value>
+        [DataMember(Name= "displayName", EmitDefaultValue=false)]
+        public string DisplayName { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            var sb = new StringBuilder();
+            sb.Append("class Audience {\n");
+            sb.Append("  Value: ").Append(Value).Append("\n");
+            sb.Append("  DisplayName: ").Append(DisplayName).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+  
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return JsonConvert.SerializeObject(this, Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return this.Equals(input as Audience);
+        }
+
+        /// <summary>
+        /// Returns true if Audience instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Audience to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Audience input)
+        {
+            if (input == null)
+                return false;
+
+            return 
+                (
+                    this.Value == input.Value ||
+                    (this.Value != null &&
+                    this.Value.Equals(input.Value))
+                ) && 
+                (
+                    this.DisplayName == input.DisplayName ||
+                    (this.DisplayName != null &&
+                    this.DisplayName.Equals(input.DisplayName))
+                );
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Value != null)
+                    hashCode = hashCode * 59 + this.Value.GetHashCode();
+                if (this.DisplayName != null)
+                    hashCode = hashCode * 59 + this.DisplayName.GetHashCode();
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}