Add sample for playlists.list method

This sample shows how to use the playlists.list method. Use command-line flags to specify the query you want to run.
youtube · Aug 15, 2017 · e869e95 · e869e95
1 parent 788ebac
commit e869e95
Showing 1 changed file with 72 additions and 0 deletions .
diff --git a/go/playlists.go b/go/playlists.go
@@ -0,0 +1,72 @@
+package
 main
+
+import
 (
+        "flag"
+        "fmt"
+        "log"
+
+        "google.golang.org/api/youtube/v3"
+)
+
+var
 (
+        method
 =
 flag
.
String
(
"method"
, 
"list"
, 
"The API method to execute. (List is the only method that this sample currently supports."
)
+
+        channelId
       =
 flag
.
String
(
"channelId"
, 
""
, 
"Retrieve playlists for this channel. Value is a YouTube channel ID."
)
+        hl
    =
 flag
.
String
(
"hl"
, 
""
, 
"Retrieve localized resource metadata for the specified application language."
)
+        maxResults
    =
 flag
.
Int64
(
"maxResults"
, 
5
, 
"The maximum number of playlist resources to include in the API response."
)
+        mine
    =
 flag
.
Bool
(
"mine"
, 
false
, 
"List playlists for authenticated user's channel. Default: false."
)
+        onBehalfOfContentOwner
    =
 flag
.
String
(
"onBehalfOfContentOwner"
, 
""
, 
"Indicates that the request's auth credentials identify a user authorized to act on behalf of the specified content owner."
)
+        pageToken
    =
 flag
.
String
(
"pageToken"
, 
""
, 
"Token that identifies a specific page in the result set that should be returned."
)
+        part
    =
 flag
.
String
(
"part"
, 
"snippet"
, 
"Comma-separated list of playlist resource parts that API response will include."
)
+        playlistId
       =
 flag
.
String
(
"playlistId"
, 
""
, 
"Retrieve information about this playlist."
)
+)
+
+func
 playlistsList
(
service
 *
youtube.
Service
, 
part
 string
, 
channelId
 string
, 
hl
 string
, 
maxResults
 int64
, 
mine
 bool
, 
onBehalfOfContentOwner
 string
, 
pageToken
 string
, 
playlistId
 string
) 
*
youtube.
PlaylistListResponse
 {
+        call
 :=
 service
.
Playlists
.
List
(
part
)
+        if
 channelId
 !=
 ""
 {
+                call
 =
 call
.
ChannelId
(
channelId
)
+        }
+        if
 hl
 !=
 ""
 {
+                call
 =
 call
.
Hl
(
hl
)
+        }
+        call
 =
 call
.
MaxResults
(
maxResults
)
+        if
 mine
 !=
 false
 {
+                call
 =
 call
.
Mine
(
true
)
+        }
+        if
 onBehalfOfContentOwner
 !=
 ""
 {
+                call
 =
 call
.
OnBehalfOfContentOwner
(
onBehalfOfContentOwner
)
+        }
+        if
 pageToken
 !=
 ""
 {
+                call
 =
 call
.
PageToken
(
pageToken
)
+        }
+        if
 playlistId
 !=
 ""
 {
+                call
 =
 call
.
Id
(
playlistId
)
+        }
+        response
, 
err
 :=
 call
.
Do
()
+        handleError
(
err
, 
""
)
+        return
 response
+}
+
+func
 main
() {
+        flag
.
Parse
()
+
+        if
 *
channelId
 ==
 ""
 &&
 *
mine
 ==
 false
 &&
 *
playlistId
 ==
 ""
 {
+                log
.
Fatalf
(
"You must either set a value for the channelId or playlistId flag or set the mine flag to 'true'."
)
+        }
+        client
 :=
 getClient
(
youtube
.
YoutubeReadonlyScope
)
+
+        service
, 
err
 :=
 youtube
.
New
(
client
)
+        if
 err
 !=
 nil
 {
+                log
.
Fatalf
(
"Error creating YouTube client: %v"
, 
err
)
+        }
+
+        response
 :=
 playlistsList
(
service
, 
"snippet,contentDetails"
, 
*
channelId
, 
*
hl
, 
*
maxResults
, 
*
mine
, 
*
onBehalfOfContentOwner
, 
*
pageToken
, 
*
playlistId
)
+
+        for
 _
, 
playlist
 :=
 range
 response
.
Items
 {
+                playlistId
 :=
 playlist
.
Id
+                playlistTitle
 :=
 playlist
.
Snippet
.
Title
+
+                // Print the playlist ID and title for the playlist resource.
+                fmt
.
Println
(
playlistId
, 
": "
, 
playlistTitle
)
+        }
+}