Add PostgreSQL, user/squad management, remove private domains from docs

internal/remnawave/client.go

@@ -1,6 +1,7 @@
 package remnawave
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
 	"fmt"
@@ -48,20 +49,38 @@ func (c *Client) countFromEndpoint(ctx context.Context, path, arrayKey string) (
 }
 
 func (c *Client) get(ctx context.Context, path string) (*http.Response, []byte, error) {
-	return c.doRequest(ctx, c.panelURL+path, true)
+	return c.doRequest(ctx, http.MethodGet, c.panelURL+path, nil, true)
 }
 
 func (c *Client) getPublic(ctx context.Context, path string) (*http.Response, []byte, error) {
-	return c.doRequest(ctx, c.panelURL+path, false)
+	return c.doRequest(ctx, http.MethodGet, c.panelURL+path, nil, false)
 }
 
-func (c *Client) doRequest(ctx context.Context, url string, withBearer bool) (*http.Response, []byte, error) {
-	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
+func (c *Client) post(ctx context.Context, path string, body any) (*http.Response, []byte, error) {
+	return c.doRequest(ctx, http.MethodPost, c.panelURL+path, body, true)
+}
+
+func (c *Client) patch(ctx context.Context, path string, body any) (*http.Response, []byte, error) {
+	return c.doRequest(ctx, http.MethodPatch, c.panelURL+path, body, true)
+}
+
+func (c *Client) doRequest(ctx context.Context, method, url string, body any, withBearer bool) (*http.Response, []byte, error) {
+	var bodyReader io.Reader
+	if body != nil {
+		raw, err := json.Marshal(body)
+		if err != nil {
+			return nil, nil, err
+		}
+		bodyReader = bytes.NewReader(raw)
+	}
+
+	req, err := http.NewRequestWithContext(ctx, method, url, bodyReader)
 	if err != nil {
 		return nil, nil, err
 	}
 
-	req.Header.Set("Accept", "application/json, text/html, */*")
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("Content-Type", "application/json")
 	if withBearer {
 		req.Header.Set("Authorization", "Bearer "+c.token)
 	}
@@ -75,11 +94,19 @@ func (c *Client) doRequest(ctx context.Context, url string, withBearer bool) (*h
 	}
 	defer resp.Body.Close()
 
-	body, err := io.ReadAll(io.LimitReader(resp.Body, 1<<20))
+	respBody, err := io.ReadAll(io.LimitReader(resp.Body, 1<<20))
 	if err != nil {
 		return resp, nil, err
 	}
-	return resp, body, nil
+	return resp, respBody, nil
+}
+
+func apiError(status int, body []byte) error {
+	msg := trimBody(body, 300)
+	if msg == "" {
+		return fmt.Errorf("HTTP %d", status)
+	}
+	return fmt.Errorf("HTTP %d: %s", status, msg)
 }
 
 func parseCount(body []byte, arrayKey string) int {