Add filtering and pagination to customer section
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parent
50548c29ab
commit
3a7d454826
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@ -2,6 +2,7 @@ package customer
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import (
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"context"
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"fmt"
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"net/http"
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"dev.tandem.ws/tandem/camper/pkg/auth"
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@ -78,28 +79,37 @@ func (h *AdminHandler) customerHandler(user *auth.User, company *auth.Company, c
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}
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func serveCustomerIndex(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
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customers, err := collectCustomerEntries(r.Context(), conn, company)
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filters := newFilterForm(company)
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if err := filters.Parse(r); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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customers, err := collectCustomerEntries(r.Context(), conn, company, filters)
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if err != nil {
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panic(err)
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}
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page := &customerIndex{
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Customers: customers,
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Customers: filters.buildCursor(customers),
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Filters: filters,
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}
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page.MustRender(w, r, user, company)
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}
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func collectCustomerEntries(ctx context.Context, conn *database.Conn, company *auth.Company) ([]*customerEntry, error) {
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rows, err := conn.Query(ctx, `
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select '/admin/customers/' || slug
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func collectCustomerEntries(ctx context.Context, conn *database.Conn, company *auth.Company, filters *filterForm) ([]*customerEntry, error) {
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where, args := filters.BuildQuery(nil)
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rows, err := conn.Query(ctx, fmt.Sprintf(`
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select contact_id
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, '/admin/customers/' || slug
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, name
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, coalesce(email::text, '')
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, coalesce(phone::text, '')
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from contact
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left join contact_email using (contact_id)
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left join contact_phone using (contact_id)
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where company_id = $1
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order by name
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`, company.ID)
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where (%s)
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order by name, contact_id
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LIMIT %d
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`, where, filters.perPage+1), args...)
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if err != nil {
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return nil, err
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}
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@ -108,7 +118,7 @@ func collectCustomerEntries(ctx context.Context, conn *database.Conn, company *a
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var customers []*customerEntry
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for rows.Next() {
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customer := &customerEntry{}
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if err = rows.Scan(&customer.URL, &customer.Name, &customer.Email, &customer.Phone); err != nil {
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if err = rows.Scan(&customer.ID, &customer.URL, &customer.Name, &customer.Email, &customer.Phone); err != nil {
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return nil, err
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}
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customers = append(customers, customer)
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@ -118,6 +128,7 @@ func collectCustomerEntries(ctx context.Context, conn *database.Conn, company *a
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}
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type customerEntry struct {
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ID int
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URL string
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Name string
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Email string
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@ -126,10 +137,15 @@ type customerEntry struct {
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type customerIndex struct {
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Customers []*customerEntry
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Filters *filterForm
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}
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func (page *customerIndex) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
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template.MustRenderAdmin(w, r, user, company, "customer/index.gohtml", page)
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if httplib.IsHTMxRequest(r) && page.Filters.pagination {
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template.MustRenderAdminNoLayout(w, r, user, company, "customer/results.gohtml", page)
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} else {
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template.MustRenderAdminFiles(w, r, user, company, page, "customer/index.gohtml", "customer/results.gohtml")
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}
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}
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func addCustomer(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
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@ -0,0 +1,98 @@
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package customer
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import (
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"fmt"
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"net/http"
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"strings"
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"dev.tandem.ws/tandem/camper/pkg/auth"
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"dev.tandem.ws/tandem/camper/pkg/form"
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)
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type filterForm struct {
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company *auth.Company
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perPage int
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pagination bool
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Name *form.Input
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Email *form.Input
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Cursor *form.Input
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}
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func newFilterForm(company *auth.Company) *filterForm {
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return &filterForm{
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company: company,
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perPage: 25,
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Name: &form.Input{
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Name: "name",
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},
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Email: &form.Input{
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Name: "email",
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},
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Cursor: &form.Input{
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Name: "cursor",
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},
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}
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}
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func (f *filterForm) Parse(r *http.Request) error {
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if err := r.ParseForm(); err != nil {
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return err
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}
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f.Name.FillValue(r)
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f.Email.FillValue(r)
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f.Cursor.FillValue(r)
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f.pagination = f.Cursor.Val != ""
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return nil
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}
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func (f *filterForm) BuildQuery(args []interface{}) (string, []interface{}) {
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var where []string
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appendWhere := func(expression string, value interface{}) {
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args = append(args, value)
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where = append(where, fmt.Sprintf(expression, len(args)))
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}
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maybeAppendWhere := func(expression string, value string, conv func(string) interface{}) {
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if value != "" {
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if conv == nil {
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appendWhere(expression, value)
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} else {
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appendWhere(expression, conv(value))
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}
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}
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}
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appendWhere("company_id = $%d", f.company.ID)
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maybeAppendWhere("name ILIKE $%d", f.Name.Val, func(v string) interface{} {
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return "%" + v + "%"
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})
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maybeAppendWhere("email ILIKE $%d", f.Email.Val, func(v string) interface{} {
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return "%" + v + "%"
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})
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if f.Cursor.Val != "" {
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params := strings.Split(f.Cursor.Val, ";")
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if len(params) == 2 {
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where = append(where, fmt.Sprintf("(name, contact_id) > ($%d, $%d)", len(args)+1, len(args)+2))
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args = append(args, params[0])
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args = append(args, params[1])
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}
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}
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return strings.Join(where, ") AND ("), args
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}
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func (f *filterForm) buildCursor(customers []*customerEntry) []*customerEntry {
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if len(customers) <= f.perPage {
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f.Cursor.Val = ""
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return customers
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}
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customers = customers[:f.perPage]
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last := customers[f.perPage-1]
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f.Cursor.Val = fmt.Sprintf("%s;%d", last.Name, last.ID)
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return customers
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}
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func (f *filterForm) HasValue() bool {
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return f.Name.Val != "" ||
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f.Email.Val != ""
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}
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@ -12,7 +12,39 @@
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{{ define "content" -}}
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{{- /*gotype: dev.tandem.ws/tandem/camper/pkg/customer.customerIndex*/ -}}
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<a href="/admin/customers/new">{{( pgettext "Add Customer" "action" )}}</a>
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{{ template "filters-toggle" }}
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<form class="filters" method="GET" action="/admin/customers"
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data-hx-target="main" data-hx-boost="true" data-hx-trigger="change,search,submit"
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aria-labelledby="filters-toggle"
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>
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{{ with .Filters }}
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<fieldset>
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{{ with .Name -}}
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<label>
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{{( pgettext "Name" "input" )}}<br>
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<input type="text"
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name="{{ .Name }}" value="{{ .Val }}" {{ template "error-attrs" . }}
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><br>
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{{ template "error-message" . }}
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</label>
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{{- end }}
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{{ with .Email -}}
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<label>
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{{( pgettext "Email" "input" )}}<br>
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<input type="text"
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name="{{ .Name }}" value="{{ .Val }}" {{ template "error-attrs" . }}
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><br>
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{{ template "error-message" . }}
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</label>
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{{- end }}
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</fieldset>
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{{ end }}
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{{ if .Filters.HasValue }}
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<a href="/admin/customers" class="button">{{( pgettext "Reset" "action" )}}</a>
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{{ end }}
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</form>
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<h2>{{ template "title" . }}</h2>
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{{ if .Customers -}}
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<table>
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<thead>
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<tr>
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@ -22,17 +54,10 @@
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</tr>
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</thead>
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<tbody>
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{{ range .Customers -}}
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<tr>
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<td><a href="{{ .URL }}">{{ .Name }}</a></td>
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<td>{{ .Email }}</td>
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<td>{{ .Phone }}</td>
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</tr>
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{{- else -}}
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<tr>
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<td colspan="3">{{( gettext "No customer found." )}}</td>
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</tr>
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{{- end }}
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{{ template "results.gohtml" . }}
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</tbody>
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</table>
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{{- else }}
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<p>{{( gettext "No customer found." )}}</p>
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{{- end }}
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{{- end }}
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@ -0,0 +1,19 @@
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{{ range .Customers -}}
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<tr>
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<td><a href="{{ .URL }}">{{ .Name }}</a></td>
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<td>{{ .Email }}</td>
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<td>{{ .Phone }}</td>
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</tr>
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{{- end }}
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{{ if .Filters.Cursor.Val }}
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<tr>
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<td colspan="3">
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{{ with .Filters -}}
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<form method="get" data-hx-push-url="false" data-hx-boost="true" data-hx-target="closest tr" data-hx-swap="outerHTML">
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{{ with .Cursor -}}<input type="hidden" name="{{ .Name }}" value="{{ .Val }}">{{- end }}
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<button type="submit">{{( pgettext "Load more" "action" )}}</button>
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</form>
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{{- end }}
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<td>
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</tr>
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{{- end }}
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