From f9a2f05c18944be1755f1c29d3cbf22e1ac6b6d9 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Mon, 21 Dec 2020 14:40:04 +0100
Subject: add openapi spec

---
 schema.yml | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 schema.yml

diff --git a/schema.yml b/schema.yml
new file mode 100644
index 0000000..c8da34b
--- /dev/null
+++ b/schema.yml
@@ -0,0 +1,121 @@
+# Copyright (C) 2020 Daniel Friesel
+#
+# SPDX-License-Identifier: CC0-1.0
+openapi: 3.0.3
+info:
+  title: travelynx
+  version: 0.0.0
+  description: DB Zugbildungsplan to JSON
+servers:
+  - url: 'https://lib.finalrewind.org/dbdb'
+paths:
+  '/db_zugbildung_v0.json':
+    get:
+      summary: Retrieve train composition
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/traincomposition'
+components:
+  schemas:
+    traincomposition:
+      type: object
+      properties:
+        deprecated:
+          type: boolean
+          example: false
+          description: if true, this JSON export version is no longer supported and will be removed in the future
+        source:
+          type: string
+          example: "2021_ZpAR_Wi_Endstück.pdf"
+          description: PDF file used to generate this JSON export
+        valid:
+          type: string
+          example: "2020-12-13/2021-06-12"
+          description: ISO 8601 interval describing when this train composition dataset is valid
+        train:
+          type: object
+          description: dict mapping train numbers to train objects
+          additionalProperties:
+            $ref: '#/components/schemas/train'
+    train:
+      type: object
+      properties:
+        rawType:
+          type: string
+          example: ICE-W
+          description: train type as specified in train composition PDF
+        type:
+          type: string
+          example: ICE 3
+          description: scheduled train type as estimated from rawType and wagon data
+        shortType:
+          type: string
+          example: 3
+          description: A short identifier useful to differentiate between train types such as ICE 3 / ICE 3 Redesign or IC1 / IC2
+        name:
+          type: string
+          example: ICE International
+          description: train name / line name / description as specified in PDF
+        empty:
+          type: boolean
+          example: false
+          description: true if this is an empty train without passenger service ("Leerfahrt")
+        route:
+          $ref: '#/components/schemas/route'
+        cycle:
+          $ref: '#/components/schemas/cycle'
+        hasWagon:
+          $ref: '#/components/schemas/hasWagon'
+        wagons:
+          $ref: '#/components/schemas/wagons'
+    route:
+      type: object
+      properties:
+        preStart:
+          type: string
+          example: Berlin-Rummelsburg (Triebzuganlage)
+          description: station where the train is prepared / provisioned
+        start:
+          type: string
+          example: Berlin-Gesundbrunnen (05:53)
+          description: first station(s) with passenger service. may contain scheduled departure time.
+        middle:
+          type: array
+          items:
+            type: string
+        end:
+          type: string
+          example: München (10:02)
+          description: terminal station(s) with passenger service. may contain scheduled arrival time.
+        postEnd:
+          type: string
+          description: station where the train is parked
+    cycle:
+      type: object
+      properties:
+        from:
+          type: array
+          items:
+            type: string
+        to:
+          type: array
+          items:
+            type: string
+    hasWagon:
+      type: object
+      additionalProperties:
+        type: boolean
+        description: true iff the wagon or locomotive type described by the key is scheduled for the train
+    wagons:
+      type: array
+      items:
+        type: object
+        properties:
+          type:
+            type: string
+          number:
+            type: string
-- 
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