Add MinID to Pagination

mastodon.go

@@ -268,6 +268,7 @@ type Results struct {
 type Pagination struct {
 	MaxID   ID
 	SinceID ID
+	MinID   ID
 	Limit   int64
 }
 
@@ -291,6 +292,12 @@ func newPagination(rawlink string) (*Pagination, error) {
 				return nil, err
 			}
 			p.SinceID = sinceID
+
+			minID, err := getPaginationID(link.URL, "min_id")
+			if err != nil {
+				return nil, err
+			}
+			p.MinID = minID
 		}
 	}
 
@@ -323,9 +330,13 @@ func (p *Pagination) toValues() url.Values {
 func (p *Pagination) setValues(params url.Values) url.Values {
 	if p.MaxID != "" {
 		params.Set("max_id", string(p.MaxID))
-	} else if p.SinceID != "" {
+	}
+	if p.SinceID != "" {
 		params.Set("since_id", string(p.SinceID))
 	}
+	if p.MinID != "" {
+		params.Set("min_id", string(p.MinID))
+	}
 	if p.Limit > 0 {
 		params.Set("limit", fmt.Sprint(p.Limit))
 	}

mastodon_test.go

@@ -339,7 +339,7 @@ func TestPaginationSetValues(t *testing.T) {
 	if after.Get("max_id") != "123" {
 		t.Fatalf("want %q but %q", "123", after.Get("max_id"))
 	}
-	if after.Get("since_id") != "" {
+	if after.Get("since_id") != "789" {
 		t.Fatalf("result should be empty string: %q", after.Get("since_id"))
 	}
 	if after.Get("limit") != "10" {