update: practical_grpc slide

docs/assets/themes/prima.css

@@ -261,7 +261,8 @@ body .slides-header {
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+  display: flex;
+  flex-direction: column;
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docs/practical_grpc.md

@@ -1,5 +1,5 @@
-<h1>A practical guide on gRPC</h1>
+<h1>A practical guide to gRPC with</h1>
-
+<img alt="rust logo" src="assets/images/rust.svg" style="width: 300px;" />
 <p>Victor Martinez</p>
 
 ---
@@ -48,3 +48,124 @@
   </div>
 </div>
 
+---
+
+## Ingredients to build a gRPC API
+
+<div class="row">
+  <img alt="protocol buffers logo" src="assets/images/protocol-buffers.png" style="width: 700px;" />  <!-- .element: class="fragment" data-fragment-index="1" -->
+  <img alt="Buf logo" src="https://cdn.prod.website-files.com/67202403476bad65d88793e7/6720247ef74ab81302be8c70_Buf%20logo%20%5Bcolor%5D.svg" style="width: 300px;" /> <!-- .element: class="fragment" data-fragment-index="2" -->
+</div>
+<img alt="Tonic logo" src="assets/images/tonic.svg" style="width: 300px" /> <!-- .element: class="fragment" data-fragment-index="3" -->
+
+---
+
+## Defining our API
+
+<img alt="protocol buffers logo" src="assets/images/protocol-buffers.png" style="width: 700px;" />
+
+---
+
+## Project structure
+
+<img alt="protocol buffers logo" src="assets/images/project-structure.png" style="width: 1080px;" />
+
+<a href="https://github.com/primait/es-policy-grpc">https://github.com/primait/es-policy-grpc</a>
+
+---
+
+## Project structure
+
+<img alt="protocol buffers logo" src="assets/images/project-structure-2.png" style="width: 1080px;" />
+
+<a href="https://github.com/primait/es-policy-grpc">https://github.com/primait/es-policy-grpc</a>
+
+---
+
+## Defining a request
+
+```proto
+syntax = "proto3";
+
+package es_policy_grpc.messages.issue_policy.request.v1;
+
+import "es_policy_grpc/domain/v1/bundle.proto";
+import "es_policy_grpc/domain/v1/coverage.proto";
+import "es_policy_grpc/domain/v1/issuing_company.proto";
+// ... etc
+
+message IssuePolicyRequest {
+  google.protobuf.Timestamp requested_at = 1; 
+  google.protobuf.Timestamp start_at = 2;
+  google.protobuf.Timestamp end_at = 3;
+  google.protobuf.Timestamp purchased_at = 4;
+  es_policy_grpc.domain.v1.TransactionInformation transaction = 5;
+  es_policy_grpc.domain.v1.IssuingCompany issuing_company = 6;
+  string quote_id = 7;
+  es_policy_grpc.domain.v1.QuoteSource quote_source = 8;
+  string application_id = 9;
+  string offer_id = 10;
+  es_policy_grpc.domain.v1.Price price = 11;
+  es_policy_grpc.domain.v1.Bundle bundle = 12;
+  repeated es_policy_grpc.domain.v1.ProductCover covers = 13;
+  es_policy_grpc.domain.v1.PolicyHolderInformation policy_holder_information = 14;
+  es_policy_grpc.domain.v1.VehicleInformation vehicle_information = 15;
+  es_policy_grpc.domain.v1.QuoteVersion quote_version = 16;
+} 
+```
+
+---
+
+## Defining a request
+
+```proto
+syntax = "proto3";
+
+package es_policy_grpc.domain.v1;
+
+import "es_policy_grpc/domain/v1/price.proto";
+import "google/protobuf/timestamp.proto";
+
+message ProductCover {
+  CoverType cover_type = 1;
+  google.protobuf.Timestamp start_at = 2;
+  google.protobuf.Timestamp end_at = 3;
+  es_policy_grpc.domain.v1.Price price = 4;
+  optional RoadsideAssistanceTier roadside_assistance_tier = 5;
+}
+
+enum CoverType {
+  COVER_TYPE_UNSPECIFIED = 0;
+  COVER_TYPE_MANDATORY_THIRD_PARTY_LIABILITY = 1;
+  COVER_TYPE_VOLUNTARY_THIRD_PARTY_LIABILITY = 2;
+  COVER_TYPE_DRIVER_ACCIDENT = 3;
+  COVER_TYPE_WINDSHIELD = 4;
+  COVER_TYPE_THEFT = 5;
+  // ..etc
+}
+
+enum RoadsideAssistanceTier {
+  ROADSIDE_ASSISTANCE_TIER_UNSPECIFIED = 0;
+  ROADSIDE_ASSISTANCE_TIER_BASE = 1;
+  ROADSIDE_ASSISTANCE_TIER_PREMIUM = 2;
+  ROADSIDE_ASSISTANCE_TIER_PREMIUM_V2 = 3;
+}
+```
+
+---
+
+## Defining a response
+
+```proto
+syntax = "proto3";
+
+package es_policy_grpc.messages.issue_policy.response.v1;
+
+message IssuePolicyResponse {
+  string policy_id = 1;
+}
+```
+
+---
+
+## About backwards compatibility