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Add export to a JSON file

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This commit is contained in:
Peter Stuifzand 2018-09-10 21:25:02 +02:00
parent 47edcc41be
commit b2a4410d6c
Signed by: peter
GPG Key ID: 374322D56E5209E8
1 changed files with 58 additions and 0 deletions
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58
cmd/ek/main.go
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@ -32,10 +32,30 @@ import (
"p83.nl/go/ekster/pkg/microsub"
)
const (
// Version is the version of the command
Version = "0.8.1"
)
var (
verbose = flag.Bool("verbose", false, "show verbose logging")
)
// Export is the JSON export format
type Export struct {
Version string `json:"version"`
Generator string `json:"generator"`
Channels []ExportChannel `json:"channels,omitempty"`
Feeds map[string][]ExportFeed `json:"feeds,omitempty"`
}
type ExportFeed string
type ExportChannel struct {
UID string `json:"uid,omitempty"`
Name string `json:"channel,omitempty"`
}
func init() {
log.SetFlags(log.Lshortfile | log.Ldate | log.Ltime)
}
@ -143,6 +163,9 @@ Commands:
export opml export feeds as OPML
import opml FILENAME import OPML feeds
export json export feeds as json
import json FILENAME import json feeds
Global arguments:
`)
@ -334,6 +357,7 @@ func performCommands(sub microsub.Microsub, commands []string) {
if len(commands) == 2 && commands[0] == "export" {
filetype := commands[1]
if filetype == "opml" {
output := opml.OPML{}
output.Head.Title = "Microsub channels and feeds"
@ -374,6 +398,33 @@ func performCommands(sub microsub.Microsub, commands []string) {
log.Fatalf("An error occurred: %s\n", err)
}
os.Stdout.WriteString(xml)
} else if filetype == "json" {
contents := Export{Version: "1.0", Generator: "ek version " + Version}
channels, err := sub.ChannelsGetList()
if err != nil {
log.Fatalf("An error occurred: %s\n", err)
}
for _, c := range channels {
contents.Channels = append(contents.Channels, ExportChannel{UID: c.UID, Name: c.Name})
}
contents.Feeds = make(map[string][]ExportFeed)
for _, c := range channels {
list, err := sub.FollowGetList(c.UID)
if err != nil {
log.Fatalf("An error occurred: %s\n", err)
}
for _, f := range list {
contents.Feeds[c.UID] = append(contents.Feeds[c.UID], ExportFeed(f.URL))
}
}
err = json.NewEncoder(os.Stdout).Encode(&contents)
if err != nil {
log.Fatalf("An error occurred: %s\n", err)
}
} else {
log.Fatalf("unsupported filetype %q", filetype)
}
@ -451,8 +502,15 @@ func performCommands(sub microsub.Microsub, commands []string) {
}
}
}
} else if filetype == "json" {
} else {
log.Fatalf("unsupported filetype %q", filetype)
}
}
if len(commands) == 1 && commands[0] == "version" {
fmt.Printf("ek %s\n", Version)
}
}
func showItem(item *microsub.Item) {