b7bee75e1f
* With the new JWT signatures on photo URLs, it was no longer possible for creative users to embed their gallery photos on their profile page. * Add a function to ReSignPhotoLinks that finds/replaces (on the server side) all references to paths under "/static/photos/" and gives them a fresh ?jwt= query string signature. * Note: only applies to the profile page essays, ReSignPhotoLinks is a template func that must be opted-in on a per page basis. Other miscellaneous fixes * Add "Edit" buttons in the corners of profile cards, when the current user looks at their profile page. They link to URIs like "/settings#profile/about_me" which will now: 1. Select the "Profile settings" tab like #profile 2. Scroll and focus the profile essay field that the user clicked to edit.
346 lines
9.0 KiB
Go
346 lines
9.0 KiB
Go
package templates
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"html/template"
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"net/http"
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"net/url"
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"sort"
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"strings"
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"time"
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"code.nonshy.com/nonshy/website/pkg/config"
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"code.nonshy.com/nonshy/website/pkg/markdown"
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"code.nonshy.com/nonshy/website/pkg/models"
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"code.nonshy.com/nonshy/website/pkg/photo"
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"code.nonshy.com/nonshy/website/pkg/session"
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"code.nonshy.com/nonshy/website/pkg/utility"
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"golang.org/x/text/language"
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"golang.org/x/text/message"
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)
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// Generics
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type Number interface {
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int | int64 | uint64 | float32 | float64
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}
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// TemplateFuncs available to all pages.
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func TemplateFuncs(r *http.Request) template.FuncMap {
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return template.FuncMap{
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"InputCSRF": InputCSRF(r),
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"SincePrettyCoarse": SincePrettyCoarse(),
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"FormatNumberShort": FormatNumberShort(),
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"FormatNumberCommas": FormatNumberCommas(),
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"ComputeAge": utility.Age,
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"Split": strings.Split,
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"ToMarkdown": ToMarkdown,
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"ToJSON": ToJSON,
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"ToHTML": ToHTML,
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"PhotoURL": PhotoURL(r),
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"VisibleAvatarURL": photo.VisibleAvatarURL,
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"Now": time.Now,
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"RunTime": RunTime,
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"PrettyTitle": func() template.HTML {
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return template.HTML(fmt.Sprintf(
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`<strong style="color: #0077FF">non</strong>` +
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`<strong style="color: #FF77FF">shy</strong>`,
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))
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},
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"PrettyTitleShort": func() template.HTML {
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return template.HTML(`<strong style="color: #0077FF">n</strong>` +
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`<strong style="color: #FF77FF">s</strong>`,
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)
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},
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"Pluralize": Pluralize[int],
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"Pluralize64": Pluralize[int64],
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"PluralizeU64": Pluralize[uint64],
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"Substring": Substring,
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"TrimEllipses": TrimEllipses,
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"IterRange": IterRange,
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"SubtractInt": SubtractInt,
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"SubtractInt64": SubtractInt64,
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"UrlEncode": UrlEncode,
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"QueryPlus": QueryPlus(r),
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"SimplePager": SimplePager(r),
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"HasSuffix": strings.HasSuffix,
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// Test if a photo should be blurred ({{BlurExplicit .Photo}})
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"BlurExplicit": BlurExplicit(r),
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// Get a description for an admin scope (e.g. for transparency page).
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"AdminScopeDescription": config.AdminScopeDescription,
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// "ReSignPhotoLinks": photo.ReSignPhotoLinks,
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"ReSignPhotoLinks": func(s template.HTML) template.HTML {
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if currentUser, err := session.CurrentUser(r); err == nil {
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return template.HTML(photo.ReSignPhotoLinks(currentUser, string(s)))
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}
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return s
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},
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}
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}
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// InputCSRF returns the HTML snippet for a CSRF token hidden input field.
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func InputCSRF(r *http.Request) func() template.HTML {
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return func() template.HTML {
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ctx := r.Context()
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if token, ok := ctx.Value(session.CSRFKey).(string); ok {
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return template.HTML(fmt.Sprintf(
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`<input type="hidden" name="%s" value="%s">`,
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config.CSRFInputName,
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token,
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))
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} else {
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return template.HTML(`[CSRF middleware error]`)
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}
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}
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}
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// RunTime returns the elapsed time between the HTTP request start and now, as a formatted string.
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func RunTime(r *http.Request) string {
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if rt, ok := r.Context().Value(session.RequestTimeKey).(time.Time); ok {
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duration := time.Since(rt)
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return duration.Round(time.Millisecond).String()
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}
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return "ERROR"
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}
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// PhotoURL returns a URL path to photos.
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func PhotoURL(r *http.Request) func(filename string) string {
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return func(filename string) string {
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// Get the current user to sign a JWT token.
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var token string
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if currentUser, err := session.CurrentUser(r); err == nil {
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return photo.SignedPhotoURL(currentUser, filename)
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}
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return photo.URLPath(filename) + token
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}
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}
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// BlurExplicit returns true if the current user has the blur_explicit setting on and the given Photo is Explicit.
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func BlurExplicit(r *http.Request) func(*models.Photo) bool {
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return func(photo *models.Photo) bool {
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if !photo.Explicit {
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return false
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}
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currentUser, err := session.CurrentUser(r)
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if err != nil {
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return false
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}
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return currentUser.GetProfileField("blur_explicit") == "true"
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}
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}
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// SincePrettyCoarse formats a time.Duration in plain English. Intended for "joined 2 months ago" type
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// strings - returns the coarsest level of granularity.
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func SincePrettyCoarse() func(time.Time) template.HTML {
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return func(since time.Time) template.HTML {
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return template.HTML(utility.FormatDurationCoarse(time.Since(since)))
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}
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}
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// FormatNumberShort will format any integer number into a short representation.
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func FormatNumberShort() func(v interface{}) template.HTML {
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return func(v interface{}) template.HTML {
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var number int64
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switch t := v.(type) {
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case int:
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number = int64(t)
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case int64:
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number = int64(t)
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case uint:
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number = int64(t)
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case uint64:
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number = int64(t)
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case float32:
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number = int64(t)
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case float64:
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number = int64(t)
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default:
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return template.HTML("#INVALID#")
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}
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return template.HTML(utility.FormatNumberShort(number))
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}
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}
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// FormatNumberCommas will pretty print a long number by adding commas.
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func FormatNumberCommas() func(v interface{}) template.HTML {
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return func(v interface{}) template.HTML {
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var number int64
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switch t := v.(type) {
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case int:
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number = int64(t)
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case int64:
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number = int64(t)
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case uint:
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number = int64(t)
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case uint64:
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number = int64(t)
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case float32:
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number = int64(t)
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case float64:
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number = int64(t)
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default:
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return template.HTML("#INVALID#")
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}
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p := message.NewPrinter(language.English)
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return template.HTML(p.Sprintf("%d", number))
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}
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}
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// ToMarkdown renders input text as Markdown.
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func ToMarkdown(input string) template.HTML {
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return template.HTML(markdown.Render(input))
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}
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// ToHTML renders input text as trusted HTML code.
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func ToHTML(input string) template.HTML {
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return template.HTML(input)
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}
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// ToJSON will stringify any json-serializable object.
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func ToJSON(v any) template.JS {
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bin, err := json.Marshal(v)
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if err != nil {
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return template.JS(err.Error())
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}
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return template.JS(string(bin))
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}
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// Pluralize text based on a quantity number. Provide up to 2 labels for the
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// singular and plural cases, or the defaults are "", "s"
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func Pluralize[V Number](count V, labels ...string) string {
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if len(labels) < 2 {
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labels = []string{"", "s"}
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}
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if count == 1 {
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return labels[0]
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}
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return labels[1]
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}
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// Substring safely returns the first N characters of a string.
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func Substring(value string, n int) string {
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if n > len(value) {
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return value
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}
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return value[:n]
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}
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// TrimEllipses is like Substring but will add an ellipses if truncated.
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func TrimEllipses(value string, n int) string {
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if n > len(value) {
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return value
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}
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return value[:n] + "…"
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}
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// IterRange returns a list of integers useful for pagination.
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func IterRange(start, n int) []int {
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var result = []int{}
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for i := start; i <= n; i++ {
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result = append(result, i)
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}
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return result
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}
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// SubtractInt subtracts two numbers.
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func SubtractInt(a, b int) int {
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return a - b
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}
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// SubtractInt64 subtracts two numbers.
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func SubtractInt64(a, b int64) int64 {
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return a - b
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}
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// UrlEncode escapes a series of values (joined with no delimiter)
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func UrlEncode(values ...interface{}) string {
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var result string
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for _, value := range values {
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result += url.QueryEscape(fmt.Sprintf("%v", value))
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}
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return result
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}
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// QueryPlus takes the current request's query parameters and upserts them with new values.
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//
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// Use it like: {{QueryPlus "page" .NextPage}}
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//
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// Returns the query string sans the ? prefix, like "key1=value1&key2=value2"
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func QueryPlus(r *http.Request) func(...interface{}) template.URL {
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return func(upsert ...interface{}) template.URL {
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// Get current parameters.
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// Note: COPY them from r.Form so we don't accidentally modify r.Form.
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var params = map[string][]string{}
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for k, v := range r.Form {
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params[k] = v
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}
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// Mix in the incoming fields.
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for i := 0; i < len(upsert); i += 2 {
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var (
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key = fmt.Sprintf("%v", upsert[i])
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value interface{}
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)
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if len(upsert) > i {
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value = upsert[i+1]
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}
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params[key] = []string{fmt.Sprintf("%v", value)}
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}
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// Assemble and return the query string.
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var parts = []string{}
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for k, vs := range params {
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for _, v := range vs {
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parts = append(parts,
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fmt.Sprintf("%s=%s", url.QueryEscape(k), url.QueryEscape(v)),
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)
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}
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}
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// Sort them deterministically.
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sort.Strings(parts)
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return template.URL(strings.Join(parts, "&"))
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}
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}
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// SimplePager creates a paginator row (partial template).
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//
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// Use it like: {{SimplePager .Pager}}
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//
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// It runs the template partial 'simple_pager.html' to customize it for the site theme.
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func SimplePager(r *http.Request) func(*models.Pagination) template.HTML {
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return func(pager *models.Pagination) template.HTML {
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tmpl, err := template.New("index").Funcs(template.FuncMap{
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"QueryPlus": QueryPlus(r),
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}).ParseFiles(config.TemplatePath + "/partials/simple_pager.html")
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if err != nil {
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return template.HTML(err.Error())
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}
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var (
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vars = struct {
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Pager *models.Pagination
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Request *http.Request
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}{pager, r}
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buf = bytes.NewBuffer([]byte{})
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)
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err = tmpl.ExecuteTemplate(buf, "SimplePager", vars)
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if err != nil {
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return template.HTML(err.Error())
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}
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return template.HTML(buf.String())
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}
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}
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