From 15c0b25d011f37e7c20aeca9eaf461f78285b8d9 Mon Sep 17 00:00:00 2001
From: Alex Pilon <apilon@hashicorp.com>
Date: Fri, 22 Feb 2019 18:24:37 -0500
Subject: deps: github.com/hashicorp/terraform@sdk-v0.11-with-go-modules
 Updated via: go get github.com/hashicorp/terraform@sdk-v0.11-with-go-modules
 and go mod tidy

---
 .../terraform/registry/response/pagination.go      | 65 ++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 vendor/github.com/hashicorp/terraform/registry/response/pagination.go

(limited to 'vendor/github.com/hashicorp/terraform/registry/response/pagination.go')

diff --git a/vendor/github.com/hashicorp/terraform/registry/response/pagination.go b/vendor/github.com/hashicorp/terraform/registry/response/pagination.go
new file mode 100644
index 0000000..75a9254
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/registry/response/pagination.go
@@ -0,0 +1,65 @@
+package response
+
+import (
+	"net/url"
+	"strconv"
+)
+
+// PaginationMeta is a structure included in responses for pagination.
+type PaginationMeta struct {
+	Limit         int    `json:"limit"`
+	CurrentOffset int    `json:"current_offset"`
+	NextOffset    *int   `json:"next_offset,omitempty"`
+	PrevOffset    *int   `json:"prev_offset,omitempty"`
+	NextURL       string `json:"next_url,omitempty"`
+	PrevURL       string `json:"prev_url,omitempty"`
+}
+
+// NewPaginationMeta populates pagination meta data from result parameters
+func NewPaginationMeta(offset, limit int, hasMore bool, currentURL string) PaginationMeta {
+	pm := PaginationMeta{
+		Limit:         limit,
+		CurrentOffset: offset,
+	}
+
+	// Calculate next/prev offsets, leave nil if not valid pages
+	nextOffset := offset + limit
+	if hasMore {
+		pm.NextOffset = &nextOffset
+	}
+
+	prevOffset := offset - limit
+	if prevOffset < 0 {
+		prevOffset = 0
+	}
+	if prevOffset < offset {
+		pm.PrevOffset = &prevOffset
+	}
+
+	// If URL format provided, populate URLs. Intentionally swallow URL errors for now, API should
+	// catch missing URLs if we call with bad URL arg (and we care about them being present).
+	if currentURL != "" && pm.NextOffset != nil {
+		pm.NextURL, _ = setQueryParam(currentURL, "offset", *pm.NextOffset, 0)
+	}
+	if currentURL != "" && pm.PrevOffset != nil {
+		pm.PrevURL, _ = setQueryParam(currentURL, "offset", *pm.PrevOffset, 0)
+	}
+
+	return pm
+}
+
+func setQueryParam(baseURL, key string, val, defaultVal int) (string, error) {
+	u, err := url.Parse(baseURL)
+	if err != nil {
+		return "", err
+	}
+	q := u.Query()
+	if val == defaultVal {
+		// elide param if it's the default value
+		q.Del(key)
+	} else {
+		q.Set(key, strconv.Itoa(val))
+	}
+	u.RawQuery = q.Encode()
+	return u.String(), nil
+}
-- 
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