{
  "openapi": "3.0.3",
  "info": {
    "title": "Zeiterfassung App",
    "contact": {
      "name": "Torsten Lücke",
      "url": "https://torsten-hettstedt.de",
      "email": "arbeit@torsten-hettstedt.de"
    },
    "license": {
      "name": "GPL-2.0-or-later"
    },
    "version": "1.0.0"
  },
  "paths": {
    "/working-hours": {
      "get": {
        "tags": [
          "Eintragungen Arbeitszeiten"
        ],
        "description": "Liefert eine Liste der Einträge. Kann gefiltert werden und dadurch eine leere Liste zurückgeben",
        "parameters": [
            {
                "$ref": "#/components/parameters/start-date"
            },
            {
                "$ref": "#/components/parameters/end-date"
            }
        ],
        "responses": {
          "200": {
            "$ref": "#/components/responses/ListEntities"
          },
          "400": {
            "$ref": "#/components/responses/DatabaseException"
          },
          "500": {
            "$ref": "#/components/responses/ServerException"
          }
        }
      },
      "post": {
        "tags": [
          "Eintragungen Arbeitszeiten"
        ],
        "requestBody": {
          "$ref": "#/components/requestBodies/WorkingHours"
        },
        "responses": {
          "201": {
            "$ref": "#/components/responses/ReadEntity"
          },
          "400": {
            "$ref": "#/components/responses/DatabaseException"
          },
          "409": {
            "$ref": "#/components/responses/RecordAlreadyExistsException"
          },
          "500": {
            "$ref": "#/components/responses/ServerException"
          }
        }
      }
    },
    "/working-hours/{date}" : {
      "get": {
        "tags": [
          "Eintragungen Arbeitszeiten"
        ],
        "parameters": [
          {
            "$ref": "#/components/parameters/date"
          }
        ],
        "responses": {
          "200": {
            "$ref": "#/components/responses/ListEntities"
          },
          "400": {
            "$ref": "#/components/responses/DatabaseException"
          },
          "404": {
            "$ref": "#/components/responses/RecordNotFoundException"
          },
          "500": {
            "$ref": "#/components/responses/ServerException"
          }
        }
      },
      "put": {
        "tags": [
          "Eintragungen Arbeitszeiten"
        ],
        "description": "Angabe des Datum im Request-Body werden ignoriert",
        "parameters": [
          {
            "$ref": "#/components/parameters/date"
          }
        ],
        "requestBody": {
          "$ref": "#/components/requestBodies/WorkingHours"
        },
        "responses": {
          "200": {
            "$ref": "#/components/responses/ReadEntity"
          },
          "400": {
            "$ref": "#/components/responses/DatabaseException"
          },
          "404": {
            "$ref": "#/components/responses/RecordNotFoundException"
          },
          "500": {
            "$ref": "#/components/responses/ServerException"
          }
        }
      }
    },
    "/views/working-hours/weekly": {
      "get": {
        "tags": [
          "Ansichten Arbeitszeiten"
        ],
        "responses": {
          "200": {
            "$ref": "#/components/responses/ListEntitiesView"
          },
          "400": {
            "$ref": "#/components/responses/DatabaseException"
          },
          "500": {
            "$ref": "#/components/responses/ServerException"
          }
        }
      }
    },
    "/views/working-hours/monthly": {
      "get": {
        "tags": [
          "Ansichten Arbeitszeiten"
        ],
        "responses": {
          "200": {
            "$ref": "#/components/responses/ListEntitiesView"
          },
          "400": {
            "$ref": "#/components/responses/DatabaseException"
          },
          "500": {
            "$ref": "#/components/responses/ServerException"
          }
        }
      }
    },
    "/views/working-hours/yearly": {
      "get": {
        "tags": [
          "Ansichten Arbeitszeiten"
        ],
        "responses": {
          "200": {
            "$ref": "#/components/responses/ListEntitiesView"
          },
          "400": {
            "$ref": "#/components/responses/DatabaseException"
          },
          "500": {
            "$ref": "#/components/responses/ServerException"
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "WorkingHours": {
        "description": "Eintrag der Arbeitszeit für einen Tag",
        "type": "object",
        "properties": {
          "workingDay": {
            "description": "Datum eines Arbeitstages",
            "type": "string",
            "format": "date",
            "required": false
          },
          "workingTime": {
            "description": "Arbeitszeit des Tages",
            "type": "string",
            "pattern": "[0-5]\\d:[0-5]\\d:[0-5]\\d",
            "example": "08:01:00"
          },
          "isHomeOffice": {
            "description": "Wurde an diesem Tag zuhause gearbeitet?",
            "type": "boolean"
          }
        }
      },
      "WorkingHoursView": {
        "type": "object",
        "readOnly": true,
        "properties": {
          "period": {
            "description": "Angabe des angegebenen Zeitraumes",
            "type": "string"
          },
          "periodDesignation": {
            "description": "Bezeichnung des Zeitraumes",
            "type": "string",
            "enum": [
              "weekly",
              "monthly",
              "yearly"
            ]
          },
          "totalHours": {
            "description": "Gesamte Arbeitszeit im Zeitraum",
            "type": "string",
            "format": "time"
          },
          "workingDays": {
            "description": "Arbeitstage im Zeitraum",
            "type": "integer"
          },
          "homeOfficeDays": {
            "description": "Anzahl der Tage, an denen zuhause gearbeitet wurde.",
            "type": "number"
          },
          "overtime": {
            "description": "Überstunden im Zeitraum",
            "type": "string",
            "format": "time"
          }
        }
      },
      "ErrorObject": {
        "type": "object",
        "properties": {
          "timestamp": {
            "type": "string",
            "format": "date-time"
          },
          "status":{
            "type": "integer"
          },
          "error": {
            "type": "string"
          },
          "message":{
            "type": "string"
          },
          "path":{
            "type": "string",
            "format": "path"
          }
        }
      }
    },
    "requestBodies": {
      "WorkingHours": {
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/WorkingHours"
            }
          }
        }
      }
    },
    "parameters": {
      "date" : {
        "description": "Datum eines Eintrages",
        "name": "date",
        "in" : "path",
        "required": true,
        "schema": {
          "type": "string",
          "format": "date"
        }
      },
      "start-date" : {
        "description": "Filtert Liste ab Datum",
        "name": "start-date",
        "in" : "query",
        "required": false,
        "schema": {
          "type": "string",
          "format": "date"
        }
      },
      "end-date" : {
        "description": "Filtert Liste bis Datum",
        "name": "end-date",
        "in" : "query",
        "required": false,
        "schema": {
          "type": "string",
          "format": "date"
        }
      }
    },
    "responses": {
      "ListEntities": {
        "description": "Liste der Einträge",
        "content": {
          "application/json": {
            "schema": {
              "type": "array",
              "items": {
                "$ref": "#/components/schemas/WorkingHours"
              }
            }
          }
        }
      },
      "ReadEntity": {
        "description": "Der Eintrag",
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/WorkingHours"
            }
          }
        }
      },
      "ListEntitiesView": {
        "description": "Liste der Einträge",
        "content": {
          "application/json": {
            "schema": {
              "type": "array",
              "items": {
                "$ref": "#/components/schemas/WorkingHoursView"
              }
            }
          }
        }
      },
      "RecordNotFoundException": {
        "description": "Der Eintrag wurde nicht gefunden",
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/ErrorObject"
            }
          }
        }
      },
      "RecordAlreadyExistsException": {
        "description": "Für das Datum wurde schon eine Arbeitszeit definiert",
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/ErrorObject"
            }
          }
        }
      },
      "DatabaseException": {
        "description": "Fehler in der Datenbank-Abfrage",
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/ErrorObject"
            }
          }
        }
      },
      "ServerException": {
        "description": "Fehler des Webservers",
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/ErrorObject"
            }
          }
        }
      }
    }
  }
}