first commit

.devcontainer/Dockerfile

@@ -0,0 +1,26 @@
+# syntax=docker/dockerfile:1
+
+ARG VARIANT="20"
+FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-${VARIANT}
+ARG CAPVER="latest"
+
+# Install some generally useful tools
+RUN apt-get update \
+    && apt-get -y install --no-install-recommends \
+    curl git sqlite3 entr source-highlight
+
+# Install SAP CAP SDK globally
+USER node
+RUN npm install -g @sap/cds-dk@$CAPVER
+
+# vi mode everywhere and nicer prompt KTHXBAI
+RUN cat <<EOBASHRC >> /home/node/.bashrc
+export EDITOR=vi
+set -o vi
+bind -x '"\C-l": clear'
+EOBASHRC
+
+RUN echo 'export PS1=${PS1/\$ /\\\\n$ }' >> /home/node/.bashrc
+
+# Ready!
+WORKDIR /home/node

.devcontainer/devcontainer.json

@@ -0,0 +1,24 @@
+{
+    "name": "Back to basics - SAP CAP - dev container",
+    "build": {
+        "dockerfile": "Dockerfile",
+        "args": {
+            "VARIANT": "20"
+        }
+    },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "sapse.vscode-cds",
+                "dbaeumer.vscode-eslint",
+                "humao.rest-client",
+                "qwtel.sqlite-viewer",
+                "mechatroner.rainbow-csv"
+            ]
+        }
+    },
+    "forwardPorts": [
+        4004
+    ],
+    "remoteUser": "node"
+}

.gitignore

@@ -0,0 +1,34 @@
+# CAP capb2b-main
+_out
+*.db
+*.sqlite
+connection.properties
+default-*.json
+.cdsrc-private.json
+gen/
+node_modules/
+target/
+
+# Web IDE, App Studio
+.che/
+.gen/
+
+# MTA
+*_mta_build_tmp
+*.mtar
+mta_archives/
+
+# Other
+.DS_Store
+*.orig
+*.log
+
+*.iml
+*.flattened-pom.xml
+
+# IDEs
+# .vscode
+# .idea
+
+# @cap-js/cds-typer
+@cds-models

.vscode/extensions.json

@@ -0,0 +1,13 @@
+{
+	"recommendations": [
+		"SAPSE.vscode-cds",
+		"dbaeumer.vscode-eslint",
+		"esbenp.prettier-vscode",
+		"mechatroner.rainbow-csv",
+		"qwtel.sqlite-viewer",
+		"humao.rest-client"
+	],
+	"unwantedRecommendations": [
+
+	]
+}

.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "cds serve",
+      "request": "launch",
+      "type": "node",
+      "cwd": "${workspaceFolder}",
+      "runtimeExecutable": "cds",
+      "args": [
+        "serve",
+        "--with-mocks",
+        "--in-memory?"
+      ],
+      "skipFiles": [
+        "<node_internals>/**"
+      ]
+    }
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,11 @@
+{
+  // uncomment entries once all libraries have been installed via 'npm install'
+  "eslint.validate": [
+    // "cds",
+    // "csn",
+    // "csv",
+    // "csv (semicolon)",
+    // "tab",
+    // "tsv"
+  ]
+}

.vscode/tasks.json

@@ -0,0 +1,23 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "type": "shell",
+      "label": "cds watch",
+      "command": "cds",
+      "args": ["watch"],
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      },
+      "problemMatcher": []
+    },
+    {
+      "type": "shell",
+      "label": "cds serve",
+      "command": "cds",
+      "args": ["serve", "--with-mocks", "--in-memory?"],
+      "problemMatcher": []
+    }
+  ]
+}

README.md

@@ -0,0 +1,25 @@
+# Getting Started
+
+Welcome to your new project.
+
+It contains these folders and files, following our recommended project layout:
+
+File or Folder | Purpose
+---------|----------
+`app/` | content for UI frontends goes here
+`db/` | your domain models and data go here
+`srv/` | your service models and code go here
+`package.json` | project metadata and configuration
+`readme.md` | this getting started guide
+
+
+## Next Steps
+
+- Open a new terminal and run `cds watch`
+- (in VS Code simply choose _**Terminal** > Run Task > cds watch_)
+- Start adding content, for example, a [db/schema.cds](db/schema.cds).
+
+
+## Learn More
+
+Learn more at https://cap.cloud.sap/docs/get-started/.

aextras/services5.cds

@@ -0,0 +1,47 @@
+// removed the key and decorated each of the entities with aspects
+// aspects for entities with canonical user id
+using {cuid, managed} from '@sap/cds/common';
+
+service bookshop {
+    entity Books{
+        key ID: Integer;
+        title: String;
+    }
+
+    entity Authors{
+        key ID: Integer;
+        name: String;
+    }
+
+}
+
+
+// service bookshop {
+//     entity Books {
+//         key ID: Integer;
+//         title: String;
+//     }
+
+//     entity Authors {
+//         key ID: Integer;
+//         name: String;
+//     }
+
+//     entity Customer {
+//         key ID: Integer;
+//         name: String;
+//         email: String;
+//     }
+
+// }
+
+  // "cds": {
+  //   "requires": {
+  //     "db": {
+  //       "kind": "sqlite",
+  //       "credentials": {
+  //         "url": "bookshop.sqlite"
+  //       }
+  //     }
+  //   }
+  // }

aextras/uuid.js

@@ -0,0 +1,20 @@
+// this will generate new line at the end
+// console.log(require("crypto").randomUUID()) 
+// console.log(require("crypto").randomUUID()) 
+
+// // does not generate a new line 
+// process.stdout.write(require("crypto").randomUUID())
+// process.stdout.write(require("crypto").randomUUID())
+
+// if (require('tty').isatty(process.stdout.fd)){
+//     // if in terminal
+//     console.log(require("crypto").randomUUID())
+// } else {
+//     // if not terminal: code editor
+//     process.stdout.write(require("crypto").randomUUID())
+// }
+
+console.log(require("crypto").randomUUID()) 
+console.log(require("crypto").randomUUID()) 
+console.log(require("crypto").randomUUID()) 
+console.log(require("crypto").randomUUID()) 

data/bookshop-Authors.csv

@@ -0,0 +1,5 @@
+ID, name
+0118aff8e4-8f6f-40cd-b3c5-c62c0c3d8743, Douglas Noel Adams
+a93e6d73-5d6a-45da-89f9-780518daadc9, Iain M. Banks
+
+

data/bookshop-Books.csv

@@ -0,0 +1,4 @@
+ID, title, author_ID
+d6b44ec8-bcce-4fbe-acdf-de91b3920821, The Hitch Hiker's Galaxy, 0118aff8e4-8f6f-40cd-b3c5-c62c0c3d8743
+bec72439-2921-44a1-9209-4823d368eaef, Mostly Harmless, 0118aff8e4-8f6f-40cd-b3c5-c62c0c3d8743
+7064717-de0d-4bcd-9113-a5316e1885ae, The player of Games, a93e6d73-5d6a-45da-89f9-780518daadc9

eslint.config.mjs

@@ -0,0 +1,2 @@
+import cds from '@sap/cds/eslint.config.mjs'
+export default [ ...cds.recommended ]