feat: add twitter action and connector (#58)

* feat: add twitter post action

Signed-off-by: mudler <mudler@localai.io>

* feat: handle twitter post messages limits

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* feat: add twitter connector, unify client

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* make sure answers do not exceed twitter maximum

---------

Signed-off-by: mudler <mudler@localai.io>
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

services/actions/twitter_post.go

@@ -0,0 +1,60 @@
+package actions
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/mudler/LocalAgent/core/action"
+	"github.com/mudler/LocalAgent/services/connectors/twitter"
+	"github.com/sashabaranov/go-openai/jsonschema"
+)
+
+func NewPostTweet(config map[string]string) *PostTweetAction {
+	return &PostTweetAction{
+		token:            config["token"],
+		noCharacterLimit: config["noCharacterLimits"] == "true",
+	}
+}
+
+type PostTweetAction struct {
+	token            string
+	noCharacterLimit bool
+}
+
+func (a *PostTweetAction) Run(ctx context.Context, params action.ActionParams) (action.ActionResult, error) {
+	result := struct {
+		Text string `json:"text"`
+	}{}
+	err := params.Unmarshal(&result)
+	if err != nil {
+		fmt.Printf("error: %v", err)
+
+		return action.ActionResult{}, err
+	}
+
+	if !a.noCharacterLimit && len(result.Text) > 280 {
+		return action.ActionResult{}, fmt.Errorf("tweet is too long, max 280 characters")
+	}
+
+	client := twitter.NewTwitterClient(a.token)
+
+	if err := client.Post(result.Text); err != nil {
+		return action.ActionResult{}, err
+	}
+
+	return action.ActionResult{Result: fmt.Sprintf("twitter post created")}, nil
+}
+
+func (a *PostTweetAction) Definition() action.ActionDefinition {
+	return action.ActionDefinition{
+		Name:        "post_tweet",
+		Description: "Post a tweet",
+		Properties: map[string]jsonschema.Definition{
+			"text": {
+				Type:        jsonschema.String,
+				Description: "The text to send.",
+			},
+		},
+		Required: []string{"text"},
+	}
+}