From 13e136698522a39f5bd5714d2d16be8a7d352002 Mon Sep 17 00:00:00 2001
From: Steven Polley <himself@stevenpolley.net>
Date: Fri, 29 Jun 2018 16:53:14 -0600
Subject: [PATCH] Beginning framework

---
 itglue.go        | 109 +++++++++++++++++++++++++++++++++++++++++++++++
 organizations.go |  36 ++++++++++++++++
 2 files changed, 145 insertions(+)
 create mode 100644 itglue.go
 create mode 100644 organizations.go

diff --git a/itglue.go b/itglue.go
new file mode 100644
index 0000000..1662d75
--- /dev/null
+++ b/itglue.go
@@ -0,0 +1,109 @@
+package itglue
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"net/url"
+)
+
+func check(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+//ITGAPI contains the ITG API URL for North America, as well as the API key.
+//Think of it as an instance of the API client
+type ITGAPI struct {
+	Site   string //Full URL ITG API
+	APIKey string //API Key
+}
+
+//NewITGAPI expects the API key to be passed to it
+//Returns a pointer to an ITGAPI struct
+func NewITGAPI(apiKey string) *ITGAPI {
+	return &ITGAPI{Site: "https://api.itglue.com", APIKey: apiKey}
+}
+
+func getHTTPResponseBody(resp *http.Response) []byte {
+	if resp.StatusCode != http.StatusOK {
+
+		out := fmt.Sprintf("ITG returned HTTP status code %s\n%s", resp.Status, resp.Body)
+		log.Fatal(out)
+		return make([]byte, 0) //TBD: Don't hack
+	}
+
+	body, err := ioutil.ReadAll(resp.Body)
+	check(err)
+
+	return body
+}
+
+//BuildURL expects a restaction to be passed to it
+//Returns the full request URL containing the ITG API domain prepended to the rest action
+func (itg *ITGAPI) BuildURL(restAction string) *url.URL {
+	var URL *url.URL
+	URL, err := url.Parse(itg.Site)
+	check(err)
+	URL.Path += restAction
+	return URL
+}
+
+//GetRequest allows a custom GET request to the API to be made.
+//Also used internally by this package by the binding functions
+//Expects URL to be passed
+//Returns the response body as a byte slice
+func (itg *ITGAPI) GetRequest(URL *url.URL) []byte {
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", URL.String(), nil)
+	check(err)
+	req.Header.Set("Content-Type", "application/vnd.api+json")
+	req.Header.Set("x-api-key", itg.APIKey)
+	req.Header.Set("cache-control", "no-cache")
+	response, err := client.Do(req)
+	check(err)
+	defer response.Body.Close()
+
+	return getHTTPResponseBody(response)
+}
+
+//PostRequest allows a custom POST request tot he API to be made
+//Also used internally by this package by the binding functions
+//Expects a URL and a body to be passed
+//Returns the response body as a byte slice
+func (itg *ITGAPI) PostRequest(URL *url.URL, body io.Reader) []byte {
+	client := &http.Client{}
+	req, err := http.NewRequest("POST", URL.String(), body)
+	check(err)
+	req.Header.Set("Content-Type", "application/vnd.api+json")
+	req.Header.Set("x-api-key", itg.APIKey)
+	req.Header.Set("cache-control", "no-cache")
+	response, err := client.Do(req)
+	check(err)
+	defer response.Body.Close()
+
+	return getHTTPResponseBody(response)
+
+}
+
+//PatchRequest allows a custom PATCH request tot he API to be made
+//Also used internally by this package by the binding functions
+//Expects a URL and a body to be passed
+//Returns the response body as a byte slice
+func (itg *ITGAPI) PatchRequest(URL *url.URL, body io.Reader) []byte {
+	client := &http.Client{}
+	req, err := http.NewRequest("PATCH", URL.String(), body)
+	check(err)
+	req.Header.Set("Content-Type", "application/vnd.api+json")
+	req.Header.Set("x-api-key", itg.APIKey)
+	req.Header.Set("cache-control", "no-cache")
+	response, err := client.Do(req)
+	check(err)
+	defer response.Body.Close()
+
+	return getHTTPResponseBody(response)
+
+}
diff --git a/organizations.go b/organizations.go
new file mode 100644
index 0000000..36fbf21
--- /dev/null
+++ b/organizations.go
@@ -0,0 +1,36 @@
+package itglue
+
+import "fmt"
+
+//Organization maps JSON data from the ITG Organization resource to Go struct
+type Organization struct {
+	Data struct {
+		ID         int    `json:"id"`
+		Type       string `json:"type"`
+		Attributes struct {
+			Name                   string `json:"name"`
+			Description            string `json:"description"`
+			OrganizationTypeID     int    `json:"organization-type-id"`
+			OrganizationTypeName   string `json:"organization-type-name"`
+			OrganizationStatusID   int    `json:"organization-status-id"`
+			OrganizationStatusName string `json:"organization-status-name"`
+			Logo                   string `json:"logo"`
+			QuickNotes             string `json:"quick-notes"`
+			ShortName              string `json:"short-name"`
+			CreatedAt              string `json:"created-at"`
+			UpdatedAt              string `json:"updated-at"`
+		} `json:"attributes"`
+	} `json:"data"`
+}
+
+//GetOrganizationByID expects an ITG organization ID
+//Returns a pointer to an Organization struct
+func (itg *ITGAPI) GetOrganizationByID(organizationID int) {
+	URL := itg.BuildURL(fmt.Sprintf("/organizations/%d", organizationID))
+
+	body := itg.GetRequest(URL)
+	fmt.Print(string(body))
+
+	//organization := Organization{}
+
+}