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88
README.md
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88
README.md
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# ICS to RSS Converter
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Dieses Projekt ist eine Go-Anwendung, die ICS-Kalenderdateien in RSS-Feeds konvertiert. Die Anwendung wird in einem Docker-Container ausgeführt und kann mit Docker Compose einfach bereitgestellt werden.
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## Voraussetzungen
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- [Docker](https://www.docker.com/get-started)
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- [Docker Compose](https://docs.docker.com/compose/install/)
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## Installation
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1. **Repository klonen:**
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```bash
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git clone https://github.com/dein-benutzername/ics-to-rss.git
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cd ics-to-rss
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```
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2. **Docker Compose starten:**
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Stelle sicher, dass Docker und Docker Compose installiert sind und führe dann den folgenden Befehl aus:
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```bash
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docker-compose up -d --build
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```
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Dieser Befehl baut das Docker-Image und startet den Container.
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## Verwendung
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Die Anwendung läuft auf `http://localhost:8080`. Um eine ICS-Datei in einen RSS-Feed zu konvertieren, verwende die folgende URL-Struktur:
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```
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http://localhost:8080/rss?ics=<ICS_URL>
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```
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Ersetze `<ICS_URL>` durch die URL deiner ICS-Datei.
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## Docker Compose Datei
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Hier ist der Inhalt der `docker-compose.yml` Datei:
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```yaml
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version: '3.8'
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services:
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ics-to-rss:
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build: .
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ports:
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- "8080:8080"
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```
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## Dockerfile
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Stelle sicher, dass du auch eine `Dockerfile` im selben Verzeichnis hast:
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```dockerfile
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# Verwende ein offizielles Golang-Image als Build-Umgebung
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FROM golang:1.20 as builder
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WORKDIR /app
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# Kopiere den Go-Modul-Dateien und installiere Abhängigkeiten
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COPY go.mod go.sum ./
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RUN go mod download
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# Kopiere den Rest des Codes
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COPY . .
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# Baue die Anwendung
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RUN CGO_ENABLED=0 GOOS=linux go build -o main .
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# Verwende ein schlankes Image für die Produktion
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FROM alpine:3.18
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WORKDIR /root/
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# Kopiere das gebaute Go-Binary aus der vorherigen Stufe
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COPY --from=builder /app/main .
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# Exponiere Port 8080 und starte die Anwendung
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EXPOSE 8080
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CMD ["./main"]
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```
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## Lizenz
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Dieses Projekt steht unter der MIT-Lizenz. Weitere Informationen findest du in der `LICENSE` Datei.
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38
docker-compose.yml
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docker-compose.yml
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version: "3.9"
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services:
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# Go application service
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go-app:
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build:
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context: go/.
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args:
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- GO111MODULE=on
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#ports:
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# - "8080:8080"
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environment:
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- VIRTUAL_HOST=ics.brothertec.eu
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- VIRTUAL_PORT=8080
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- LETSENCRYPT_HOST=ics.brothertec.eu
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- LETSENCRYPT_EMAIL=admin@brothertec.eu
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restart: always
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labels:
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- flame.type=application
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- flame.name=ICS to RSS
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- flame.url=https://ics.brothertec.eu
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- flame.icon=image
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networks:
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default:
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proxy:
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edge-tier:
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networks:
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proxy:
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name: nginx-proxy
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external: true
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edge-tier:
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name: edge
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external: true
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28
go/Dockerfile
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go/Dockerfile
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# syntax=docker/dockerfile:1
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# Build the application from source
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FROM golang:1.19 AS build-stage
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WORKDIR /app
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COPY * ./
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RUN go mod download
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RUN CGO_ENABLED=0 GOOS=linux go build -o /main
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# Run the tests in the container
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FROM build-stage AS run-test-stage
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RUN go test -v ./...
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# Deploy the application binary into a lean image
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FROM gcr.io/distroless/base-debian12 AS build-release-stage
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WORKDIR /
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COPY --from=build-stage /main /main
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EXPOSE 8080
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USER nonroot:nonroot
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ENTRYPOINT ["/main"]
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22
go/Dockerfile.old
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go/Dockerfile.old
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# Use an official Golang runtime as a parent image
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FROM golang:1.21.4
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# Set the working directory in the container
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WORKDIR /go/src/app
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# Copy the local package files to the container's workspace
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COPY . .
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# Download and install any required third-party dependencies into the container.
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#RUN go get -u github.com/gorilla/mux
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RUN go get -u github.com/go-sql-driver/mysql
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RUN go get -u github.com/sirupsen/logrus
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# Build the Go application
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RUN go build -o main .
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# Expose port 8080 to the outside world
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EXPOSE 8080
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# Command to run the application with environment variables
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CMD ["./main"]
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13
go/go.mod
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13
go/go.mod
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module ICStoRSS
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go 1.19
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require (
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github.com/apognu/gocal v0.9.0
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github.com/gorilla/feeds v1.2.0
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)
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require (
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github.com/ChannelMeter/iso8601duration v0.0.0-20150204201828-8da3af7a2a61 // indirect
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github.com/stretchr/testify v1.8.1 // indirect
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)
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28
go/go.sum
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go/go.sum
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github.com/ChannelMeter/iso8601duration v0.0.0-20150204201828-8da3af7a2a61 h1:N5Vqww5QISEHsWHOWDEx4PzdIay3Cg0Jp7zItq2ZAro=
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github.com/ChannelMeter/iso8601duration v0.0.0-20150204201828-8da3af7a2a61/go.mod h1:GnKXcK+7DYNy/8w2Ex//Uql4IgfaU82Cd5rWKb7ah00=
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github.com/apognu/gocal v0.9.0 h1:2lGdZprjYs9A6l1RTEmapmpE1PiDbXNX8bUVqZt3vm4=
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github.com/apognu/gocal v0.9.0/go.mod h1:ZOJfNOqpz8aasi3uqzDu+eWTT6VuEa/TvQWiYYWlb80=
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github.com/channelmeter/iso8601duration v0.0.0-20150204201828-8da3af7a2a61 h1:o64h9XF42kVEUuhuer2ehqrlX8rZmvQSU0+Vpj1rF6Q=
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github.com/channelmeter/iso8601duration v0.0.0-20150204201828-8da3af7a2a61/go.mod h1:Rp8e0DCtEKwXFOC6JPJQVTz8tuGoGvw6Xfexggh/ed0=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/gorilla/feeds v1.2.0 h1:O6pBiXJ5JHhPvqy53NsjKOThq+dNFm8+DFrxBEdzSCc=
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github.com/gorilla/feeds v1.2.0/go.mod h1:WMib8uJP3BbY+X8Szd1rA5Pzhdfh+HCCAYT2z7Fza6Y=
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github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
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github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
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github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
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github.com/stretchr/testify v1.2.0/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
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github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
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github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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66
go/main.go
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66
go/main.go
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package main
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import (
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"fmt"
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"net/http"
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"time"
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"github.com/apognu/gocal"
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"github.com/gorilla/feeds"
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)
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func convertICStoRSS(w http.ResponseWriter, r *http.Request) {
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// Lese die ICS-URL aus dem Query-Parameter
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icsURL := r.URL.Query().Get("ics")
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if icsURL == "" {
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http.Error(w, "Missing 'ics' query parameter", http.StatusBadRequest)
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return
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}
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// ICS-Datei herunterladen
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resp, err := http.Get(icsURL)
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if err != nil {
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http.Error(w, "Unable to fetch ICS file", http.StatusInternalServerError)
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return
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}
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defer resp.Body.Close()
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// ICS-Datei parsen
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parser := gocal.NewParser(resp.Body)
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parser.Parse()
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// RSS-Feed erstellen
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feed := &feeds.Feed{
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Title: "Converted Calendar Feed",
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Link: &feeds.Link{Href: icsURL},
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Description: "This is a converted calendar feed",
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Created: time.Now(),
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}
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for _, event := range parser.Events {
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// Dereferenziere event.Start, um den time.Time Wert zu erhalten
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item := &feeds.Item{
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Title: event.Summary,
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Description: event.Description,
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Link: &feeds.Link{Href: icsURL},
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Created: *event.Start,
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}
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feed.Items = append(feed.Items, item)
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}
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// RSS als HTTP-Antwort senden
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rssData, err := feed.ToRss()
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if err != nil {
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http.Error(w, "Unable to generate RSS feed", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/rss+xml")
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w.Write([]byte(rssData))
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}
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func main() {
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http.HandleFunc("/rss", convertICStoRSS)
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fmt.Println("Server is running at :8080")
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http.ListenAndServe(":8080", nil)
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}
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