feat: v0 — glpi-go client, mglpi CLI, mglpi-mcp, fake-GLPI test suite [#767]

https://projects.knownelement.com/issues/767#note-4191
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2026-09-04 08:41:25 -05:00
commit 5da1eee08f
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package glpi
import (
"context"
"encoding/json"
"fmt"
"net/http"
"net/url"
)
// Change status constants (GLPI change lifecycle).
const (
StatusNew = 1
StatusEvaluation = 2
StatusApproval = 3
StatusTest = 4
StatusQualification = 5
StatusWaiting = 6
StatusAccepted = 7
StatusAssigned = 8
StatusPlanned = 9
StatusPending = 10
StatusSolved = 11
StatusClosed = 12
)
// statusNames maps status ids to human names (CLI display + name-based
// transitions; GLPI has no enumeration endpoint for these).
var statusNames = map[int]string{
StatusNew: "new",
StatusEvaluation: "evaluation",
StatusApproval: "approval",
StatusTest: "test",
StatusQualification: "qualification",
StatusWaiting: "waiting",
StatusAccepted: "accepted",
StatusAssigned: "assigned",
StatusPlanned: "planned",
StatusPending: "pending",
StatusSolved: "solved",
StatusClosed: "closed",
}
// StatusName renders a status id ("new", "solved", ...) or "status N".
func StatusName(id int) string {
if n, ok := statusNames[id]; ok {
return n
}
return fmt.Sprintf("status %d", id)
}
// StatusID resolves a status name case-insensitively ("Solved" -> 11).
func StatusID(name string) (int, bool) {
for id, n := range statusNames {
if eqfold(n, name) {
return id, true
}
}
return 0, false
}
// Change is GLPI's read shape for one change (GET /change/<id>).
type Change struct {
ID int `json:"id"`
Name string `json:"name"`
Content string `json:"content"`
Status int `json:"status"`
Urgency int `json:"urgency"`
Impact int `json:"impact"`
Date string `json:"date"`
DateMod string `json:"date_mod"`
}
// ChangeRow is one row of a change search (fields 1 name, 2 id,
// 12 status).
type ChangeRow struct {
ID int `json:"id"`
Name string `json:"name"`
Status int `json:"status"`
}
// CreateChange creates a change (POST /change/) and returns its id.
//
// GLPI contract modeled faithfully: the payload is {"input":{...}} — an
// OBJECT (the ITILFollowup endpoint is the array-flavored one) — and
// the reply is an ARRAY: [{"id":N,"message":"..."}]. urgency and impact
// are GLPI's 1..5 scales (3 = medium).
func (c *Client) CreateChange(ctx context.Context, name, content string, urgency, impact int) (int, error) {
if name == "" {
return 0, fmt.Errorf("%w: change name required", ErrValidation)
}
if urgency < 1 || urgency > 5 || impact < 1 || impact > 5 {
return 0, fmt.Errorf("%w: urgency/impact must be 1..5", ErrValidation)
}
input := map[string]any{
"name": name,
"content": content,
}
if urgency != 0 {
input["urgency"] = urgency
}
if impact != 0 {
input["impact"] = impact
}
ids, err := c.postCreate(ctx, "/change", map[string]any{"input": input})
if err != nil {
return 0, err
}
if len(ids) == 0 || ids[0] == 0 {
return 0, fmt.Errorf("%w: create returned no id", ErrMalformedResponse)
}
return ids[0], nil
}
// postCreate sends a create payload and parses GLPI's ARRAY reply
// [{"id":N,"message":"..."}] into ids.
func (c *Client) postCreate(ctx context.Context, path string, payload any) ([]int, error) {
var arr []struct {
ID int `json:"id"`
Message string `json:"message"`
}
if err := c.call(ctx, http.MethodPost, path, nil, payload, &arr); err != nil {
return nil, err
}
ids := make([]int, 0, len(arr))
for _, a := range arr {
ids = append(ids, a.ID)
}
return ids, nil
}
// GetChange fetches one change (GET /change/<id>).
func (c *Client) GetChange(ctx context.Context, id int) (*Change, error) {
var ch Change
if err := c.call(ctx, http.MethodGet, "/change/"+itoa(id), nil, nil, &ch); err != nil {
return nil, err
}
return &ch, nil
}
// ListChanges searches changes (GET /search/Change/) with forcedisplay
// fields 1 (name), 2 (id), 12 (status). GLPI returns rows as OBJECTS
// KEYED BY FIELD-ID STRING — parsed here into ChangeRow. status 0 lists
// all; any other value filters field 12 with an equals criterion.
func (c *Client) ListChanges(ctx context.Context, status int) ([]ChangeRow, error) {
q := url.Values{}
forced := []string{"1", "2", "12"}
for _, f := range forced {
q.Add("forcedisplay[]", f)
}
if status > 0 {
crit, err := json.Marshal([]map[string]any{{
"field": 12, "searchtype": "equals", "value": status,
}})
if err != nil {
return nil, fmt.Errorf("%w: cannot encode criteria", ErrMalformedResponse)
}
q.Set("criteria", string(crit))
}
var body struct {
Total int `json:"totalcount"`
Data []map[string]any `json:"data"`
}
if err := c.call(ctx, http.MethodGet, "/search/Change", q, nil, &body); err != nil {
return nil, err
}
rows := make([]ChangeRow, 0, len(body.Data))
for _, d := range body.Data {
rows = append(rows, ChangeRow{
Name: asString(d["1"]),
ID: asInt(d["2"]),
Status: asInt(d["12"]),
})
}
return rows, nil
}
// TransitionChange moves a change to a status (PUT /change/<id> with
// {"input":{"status":N}}). GLPI answers 200 with an array whose members
// carry a boolean result — a false anywhere is a failed update.
func (c *Client) TransitionChange(ctx context.Context, id, status int) error {
if status < StatusNew || status > StatusClosed {
return fmt.Errorf("%w: unknown change status %d", ErrValidation, status)
}
payload := map[string]any{"input": map[string]any{"status": status}}
var arr []map[string]any
if err := c.call(ctx, http.MethodPut, "/change/"+itoa(id), nil, payload, &arr); err != nil {
return err
}
for _, m := range arr {
for _, v := range m {
if b, ok := v.(bool); ok && !b {
return fmt.Errorf("%w: transition rejected", ErrValidation)
}
}
}
return nil
}
// AddFollowup appends a followup note to a change (POST /ITILFollowup).
//
// GLPI contract modeled faithfully: this endpoint REQUIRES the input to
// be an ARRAY of objects — {"input":[{...}]} — where the Change-create
// endpoint takes the object form.
func (c *Client) AddFollowup(ctx context.Context, changeID int, content string) error {
if content == "" {
return fmt.Errorf("%w: followup content required", ErrValidation)
}
payload := map[string]any{
"input": []map[string]any{{
"itemtype": "Change",
"items_id": changeID,
"content": content,
}},
}
_, err := c.postCreate(ctx, "/ITILFollowup", payload)
return err
}
// asString coerces a search-row cell (string or number) to string.
func asString(v any) string {
switch s := v.(type) {
case string:
return s
case float64:
return trimFloat(s)
case nil:
return ""
default:
return fmt.Sprint(v)
}
}
// asInt coerces a search-row cell (number or numeric string) to int.
// GLPI search cells arrive as JSON numbers or strings depending on the
// field; both must parse.
func asInt(v any) int {
switch n := v.(type) {
case float64:
return int(n)
case int:
return n
case string:
i, _ := parseLeadingInt(n)
return i
case nil:
return 0
default:
return 0
}
}