From 76672db9599bf3e3872fae556e14fadfa50e33c1 Mon Sep 17 00:00:00 2001
From: Alex Tselegidis <alextselegidis@gmail.com>
Date: Thu, 25 Mar 2021 11:32:10 +0100
Subject: [PATCH] Make sure that the duration of a service does not become less
 than the minimum acceptable value as otherwise it will make problems with the
 availability generation

---
 application/language/arabic/translations_lang.php        | 1 +
 application/language/bulgarian/translations_lang.php     | 1 +
 application/language/catalan/translations_lang.php       | 1 +
 application/language/chinese/translations_lang.php       | 1 +
 application/language/czech/translations_lang.php         | 2 ++
 application/language/danish/translations_lang.php        | 1 +
 application/language/dutch/translations_lang.php         | 1 +
 application/language/english/translations_lang.php       | 1 +
 application/language/finnish/translations_lang.php       | 1 +
 application/language/french/translations_lang.php        | 1 +
 application/language/german/translations_lang.php        | 1 +
 application/language/greek/translations_lang.php         | 1 +
 application/language/hebrew/translations_lang.php        | 1 +
 application/language/hindi/translations_lang.php         | 1 +
 application/language/hungarian/translations_lang.php     | 1 +
 application/language/italian/translations_lang.php       | 1 +
 application/language/japanese/translations_lang.php      | 1 +
 application/language/luxembourgish/translations_lang.php | 1 +
 application/language/marathi/translations_lang.php       | 1 +
 application/language/polish/translations_lang.php        | 1 +
 application/language/portuguese-br/translations_lang.php | 1 +
 application/language/portuguese/translations_lang.php    | 1 +
 application/language/romanian/translations_lang.php      | 1 +
 application/language/russian/translations_lang.php       | 1 +
 application/language/slovak/translations_lang.php        | 1 +
 application/language/spanish/translations_lang.php       | 1 +
 application/language/swedish/translations_lang.php       | 1 +
 application/language/turkish/translations_lang.php       | 1 +
 application/models/Services_model.php                    | 5 +++++
 application/views/backend/services.php                   | 2 +-
 assets/js/backend_services_helper.js                     | 8 +++++++-
 31 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/application/language/arabic/translations_lang.php b/application/language/arabic/translations_lang.php
index 83d713a3..06dd82ba 100755
--- a/application/language/arabic/translations_lang.php
+++ b/application/language/arabic/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'فترة غير متاحة جديدة';
 $lang['edit_unavailable_title'] = 'تعديل فترة غير متاحة';
 $lang['unavailable_saved'] = 'تم حفظ الفترة الغير متاحة بنجاح';
 $lang['start_date_before_end_error'] = 'تاريخ البداية أكبر من تاريخ الانتهاء.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'بريد الكتروني غير صحيح';
 $lang['customers'] = 'الزبائن';
 $lang['details'] = 'التفاصيل';
diff --git a/application/language/bulgarian/translations_lang.php b/application/language/bulgarian/translations_lang.php
index 1b91a5e6..f3991f33 100755
--- a/application/language/bulgarian/translations_lang.php
+++ b/application/language/bulgarian/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Нов неработен период';
 $lang['edit_unavailable_title'] = 'Промяна на неработен период';
 $lang['unavailable_saved'] = 'Неработен период запазен успешно.';
 $lang['start_date_before_end_error'] = 'Стартовият период е по-дълъг от крайната дата.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Невалиден адрес на електронна поща.';
 $lang['customers'] = 'Клиенти';
 $lang['details'] = 'Детайли';
diff --git a/application/language/catalan/translations_lang.php b/application/language/catalan/translations_lang.php
index 1ff7d4b7..3ed06096 100644
--- a/application/language/catalan/translations_lang.php
+++ b/application/language/catalan/translations_lang.php
@@ -110,6 +110,7 @@ $lang['new_unavailable_title'] = 'Nou període de no disponibilitat';
 $lang['edit_unavailable_title'] = 'Edita el període de no disponibilitat';
 $lang['unavailable_saved'] = 'El període de no disponibilitat s\'ha desat correctament.';
 $lang['start_date_before_end_error'] = 'La data d\'inici és posterior de la de fi.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'L\'adreça de correu electrònic no és vàlida.';
 $lang['customers'] = 'Clients';
 $lang['details'] = 'Detalls';
diff --git a/application/language/chinese/translations_lang.php b/application/language/chinese/translations_lang.php
index a51349dd..b75eb1dc 100755
--- a/application/language/chinese/translations_lang.php
+++ b/application/language/chinese/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = '新的不可预约时间段';
 $lang['edit_unavailable_title'] = '编辑不可预定时间段';
 $lang['unavailable_saved'] = '不可预定时间段保存成功.';
 $lang['start_date_before_end_error'] = '开始日期数值晚于结束日期.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = '无效电子邮箱地址.';
 $lang['customers'] = '客户';
 $lang['details'] = '详细资料';
diff --git a/application/language/czech/translations_lang.php b/application/language/czech/translations_lang.php
index 1d2f5f07..8d643144 100644
--- a/application/language/czech/translations_lang.php
+++ b/application/language/czech/translations_lang.php
@@ -110,6 +110,7 @@ $lang['new_unavailable_title'] = 'Nové období nedostupnosti';
 $lang['edit_unavailable_title'] = 'Editovat období nedostupnosti';
 $lang['unavailable_saved'] = 'Období nedostupnosti úspěšně uloženo.';
 $lang['start_date_before_end_error'] = 'Datum zahájení je vyšší než datum ukončení.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Neplatná emailová adresa.';
 $lang['customers'] = 'Zákazníci';
 $lang['details'] = 'Základní údaje';
@@ -418,6 +419,7 @@ $lang['new_unavailable_title'] = 'Nové období nedostupnosti';
 $lang['edit_unavailable_title'] = 'Editovat období nedostupnosti';
 $lang['unavailable_saved'] = 'Období nedostupnosti úspěšně uloženo.';
 $lang['start_date_before_end_error'] = 'Datum zahájení je vyšší než datum ukončení.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Neplatná emailová adresa.';
 $lang['customers'] = 'Zákazníci';
 $lang['details'] = 'Základní údaje';
diff --git a/application/language/danish/translations_lang.php b/application/language/danish/translations_lang.php
index 5f846afa..377f9c70 100755
--- a/application/language/danish/translations_lang.php
+++ b/application/language/danish/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Ny ikke tilgængelig periode';
 $lang['edit_unavailable_title'] = 'Redigere ikke tilgængelig periode';
 $lang['unavailable_saved'] = 'Ikke tilgængelig periode er gemt.';
 $lang['start_date_before_end_error'] = 'Start dato er større end slut dato';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Ugyldig email adresse';
 $lang['customers'] = 'Kunderne';
 $lang['details'] = 'Detaljer';
diff --git a/application/language/dutch/translations_lang.php b/application/language/dutch/translations_lang.php
index d10a0540..a9713d24 100755
--- a/application/language/dutch/translations_lang.php
+++ b/application/language/dutch/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Nieuwe periode waarop men niet beschikbaar is'
 $lang['edit_unavailable_title'] = 'Bewerk beschikbare periode';
 $lang['unavailable_saved'] = 'Onbeschikbaar periode succesvol opgeslagen.';
 $lang['start_date_before_end_error'] = 'De startdatum is later dan de einddatum.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Ongeldig e-mailadres.';
 $lang['customers'] = 'Klanten';
 $lang['details'] = 'Details';
diff --git a/application/language/english/translations_lang.php b/application/language/english/translations_lang.php
index b5f8df66..8238532f 100755
--- a/application/language/english/translations_lang.php
+++ b/application/language/english/translations_lang.php
@@ -110,6 +110,7 @@ $lang['new_unavailable_title'] = 'New Unavailable Period';
 $lang['edit_unavailable_title'] = 'Edit Unavailable Period';
 $lang['unavailable_saved'] = 'Unavailable period saved successfully.';
 $lang['start_date_before_end_error'] = 'Start date value is latter than end date.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Invalid email address.';
 $lang['customers'] = 'Customers';
 $lang['details'] = 'Details';
diff --git a/application/language/finnish/translations_lang.php b/application/language/finnish/translations_lang.php
index 48146c71..549cff68 100755
--- a/application/language/finnish/translations_lang.php
+++ b/application/language/finnish/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Uusi poissaolojakso';
 $lang['edit_unavailable_title'] = 'Muokkaa poissaolojaksoa';
 $lang['unavailable_saved'] = 'Poissaolojakso tallennettiin.';
 $lang['start_date_before_end_error'] = 'Aloituspäivämäärä on loppupäivää myöhäisempi.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Virheellinen sähköpostiosoite.';
 $lang['customers'] = 'Asiakkaat';
 $lang['details'] = 'Lisätiedot';
diff --git a/application/language/french/translations_lang.php b/application/language/french/translations_lang.php
index 3e6efe6d..2a0a4ad9 100755
--- a/application/language/french/translations_lang.php
+++ b/application/language/french/translations_lang.php
@@ -109,6 +109,7 @@ $lang['new_unavailable_title'] = 'Nouvelle période d\'indisponibilité';
 $lang['edit_unavailable_title'] = 'Editer une période d\'indisponibilité';
 $lang['unavailable_saved'] = 'Période d\'indisponibilité sauvegardée avec succès .';
 $lang['start_date_before_end_error'] = 'La date de début est ultérieure à la date de fin .';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Adresse email non valide .';
 $lang['customers'] = 'Clients';
 $lang['details'] = 'Détails';
diff --git a/application/language/german/translations_lang.php b/application/language/german/translations_lang.php
index aecb0ac0..7beb1055 100755
--- a/application/language/german/translations_lang.php
+++ b/application/language/german/translations_lang.php
@@ -108,6 +108,7 @@ $lang['new_unavailable_title'] = 'Neuer nicht zur Verfügung stehender Zeitraum'
 $lang['edit_unavailable_title'] = 'Nicht zur Verfügung stehenden Zeitraum bearbeiten';
 $lang['unavailable_saved'] = 'Nicht zur Verfügung stehender Zeitraum erfolgreich gespeichert.';
 $lang['start_date_before_end_error'] = 'Das Startdatum ist größer als das Enddatum.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Ungültige E-Mail-Adresse.';
 $lang['customers'] = 'Kunden';
 $lang['details'] = 'Details';
diff --git a/application/language/greek/translations_lang.php b/application/language/greek/translations_lang.php
index 905f91cc..f5ff94bd 100755
--- a/application/language/greek/translations_lang.php
+++ b/application/language/greek/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Νέα Μη Διαθέσιμη Περίοδο
 $lang['edit_unavailable_title'] = 'Επεξεργασία Μη Διαθέσιμης Περιόδου';
 $lang['unavailable_saved'] = 'Η μη διαθέσιμη περίοδος αποθηκεύτηκε επιτυχώς.';
 $lang['start_date_before_end_error'] = 'Η ημερομηνία εκκίνησης είναι μεγαλύτερα από την ημερομηνία λήξης.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Λανθασμένη διεύθυνση email.';
 $lang['customers'] = 'Πελάτες';
 $lang['details'] = 'Λεπτομέρειες';
diff --git a/application/language/hebrew/translations_lang.php b/application/language/hebrew/translations_lang.php
index 68b04944..963b07b1 100644
--- a/application/language/hebrew/translations_lang.php
+++ b/application/language/hebrew/translations_lang.php
@@ -110,6 +110,7 @@ $lang['new_unavailable_title'] = ' מועד לא זמין חדש';
 $lang['edit_unavailable_title'] = 'עריכת מועד לא זמין';
 $lang['unavailable_saved'] = 'מועד לא זמין נשמר בהצלחה!';
 $lang['start_date_before_end_error'] = 'ערך תאריך ההתחלה גדול מתאריך הסיום!';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'כתובת דוא"ל לא חוקית!';
 $lang['customers'] = 'לקוחות';
 $lang['details'] = 'פרטים';
diff --git a/application/language/hindi/translations_lang.php b/application/language/hindi/translations_lang.php
index cd01f9e0..d2e610ad 100755
--- a/application/language/hindi/translations_lang.php
+++ b/application/language/hindi/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'नए अनुपलब्ध अवधि';
 $lang['edit_unavailable_title'] = 'अनुपलब्ध अवधि संपादित करें';
 $lang['unavailable_saved'] = 'अनुपलब्ध अवधि सफलतापूर्वक बचाया.';
 $lang['start_date_before_end_error'] = 'प्रारंभ दिनांक मान के अंत की तारीख से भी बड़ा है';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'अमान्य ईमेल पता.';
 $lang['customers'] = 'उपभोक्ता';
 $lang['details'] = 'विवरण';
diff --git a/application/language/hungarian/translations_lang.php b/application/language/hungarian/translations_lang.php
index 506de978..3eb56e63 100755
--- a/application/language/hungarian/translations_lang.php
+++ b/application/language/hungarian/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Új nem foglalható időpont ';
 $lang['edit_unavailable_title'] = 'Nem foglalható időpont szerkesztése';
 $lang['unavailable_saved'] = 'A nem foglalható időpont sikeresen mentve.';
 $lang['start_date_before_end_error'] = 'A kezdeti időpont későbbre esik, mint vég időpont.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Érvénytelen email cím.';
 $lang['customers'] = 'Vendégek';
 $lang['details'] = 'Részletek';
diff --git a/application/language/italian/translations_lang.php b/application/language/italian/translations_lang.php
index ffb9fee1..f15e526a 100755
--- a/application/language/italian/translations_lang.php
+++ b/application/language/italian/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Nuovo perido di indisponibilità';
 $lang['edit_unavailable_title'] = 'Modifica periodo di indisponibilità';
 $lang['unavailable_saved'] = 'Periodo di indisponibilità salvato con successo.';
 $lang['start_date_before_end_error'] = 'La data di inizio è successiva alla data di fine.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Indirizzo e-mail non valido.';
 $lang['customers'] = 'Clienti';
 $lang['details'] = 'Dettagli';
diff --git a/application/language/japanese/translations_lang.php b/application/language/japanese/translations_lang.php
index c4d586b4..4f6dfef4 100755
--- a/application/language/japanese/translations_lang.php
+++ b/application/language/japanese/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = '新規の都合悪い時間';
 $lang['edit_unavailable_title'] = '都合悪い時間の編集';
 $lang['unavailable_saved'] = '都合の悪い時間の保存が完了しました。';
 $lang['start_date_before_end_error'] = '開始時間が終了時間よりも後になっています。';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Emailアドレスのフォーマットエラー';
 $lang['customers'] = 'お客様';
 $lang['details'] = '詳細';
diff --git a/application/language/luxembourgish/translations_lang.php b/application/language/luxembourgish/translations_lang.php
index b7de2fac..572027cc 100755
--- a/application/language/luxembourgish/translations_lang.php
+++ b/application/language/luxembourgish/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Neien Zäitraum deen net zur Verfügung steet'
 $lang['edit_unavailable_title'] = 'Zäitraum, deen net zur Verfügung steet, änneren';
 $lang['unavailable_saved'] = 'Zäitraum, deen net zur Verfügung steet erfollegräich gespäichert.';
 $lang['start_date_before_end_error'] = 'Den Ufanksdatum ass méi héich wéi de Schlussdatum.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Déi E-Mail-Adresse ass ongülteg.';
 $lang['customers'] = 'Clienten';
 $lang['details'] = 'Detailer';
diff --git a/application/language/marathi/translations_lang.php b/application/language/marathi/translations_lang.php
index 9160a2f6..7516ddc7 100644
--- a/application/language/marathi/translations_lang.php
+++ b/application/language/marathi/translations_lang.php
@@ -107,6 +107,7 @@ $lang['new_unavailable_title'] = 'नवीन गहाळ कालावध
 $lang['edit_unavailable_title'] = 'गहाळ कालावधी संपादित करा';
 $lang['unavailable_saved'] = 'गहाळ कालावधी यशस्वीरित्या जतन झाला.';
 $lang['start_date_before_end_error'] = 'प्रारंभ तारीख मूल्याच्या अंतिम तारखेपेक्षा मोठी आहे';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'अवैध ईमेल पत्ता.';
 $lang['customers'] = 'उपभोक्ता';
 $lang['details'] = 'विवरण';
diff --git a/application/language/polish/translations_lang.php b/application/language/polish/translations_lang.php
index ecf2b11e..018e15fc 100755
--- a/application/language/polish/translations_lang.php
+++ b/application/language/polish/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Nowy Niedostępny Okres';
 $lang['edit_unavailable_title'] = 'Edytuj Niedostępny Okres';
 $lang['unavailable_saved'] = 'Niedostępny okres zapisano pomyślnie.';
 $lang['start_date_before_end_error'] = 'Wartość początkowa jest większa niż data końcowa.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Niepoprawny adres email.';
 $lang['customers'] = 'Klienci';
 $lang['details'] = 'Szczegóły';
diff --git a/application/language/portuguese-br/translations_lang.php b/application/language/portuguese-br/translations_lang.php
index dec40b13..3a6c6bd6 100755
--- a/application/language/portuguese-br/translations_lang.php
+++ b/application/language/portuguese-br/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Novo Período Indisponível';
 $lang['edit_unavailable_title'] = 'Edite Período Indisponível';
 $lang['unavailable_saved'] = 'Período Indisponível salvo com sucesso.';
 $lang['start_date_before_end_error'] = 'A data início é superior ao valor da data fim.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Email inválido.';
 $lang['customers'] = 'Clientes';
 $lang['details'] = 'Detalhes';
diff --git a/application/language/portuguese/translations_lang.php b/application/language/portuguese/translations_lang.php
index 6b6a1b59..baeb2cb7 100755
--- a/application/language/portuguese/translations_lang.php
+++ b/application/language/portuguese/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Novo Período Indisponível';
 $lang['edit_unavailable_title'] = 'Edite Período Indisponível';
 $lang['unavailable_saved'] = 'Período Indisponível guardado com sucesso.';
 $lang['start_date_before_end_error'] = 'A data início é superior ao valor da data fim.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Email invalido.';
 $lang['customers'] = 'Clientes';
 $lang['details'] = 'Detalhes';
diff --git a/application/language/romanian/translations_lang.php b/application/language/romanian/translations_lang.php
index c813dd43..6c979b86 100755
--- a/application/language/romanian/translations_lang.php
+++ b/application/language/romanian/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Perioada de indisponibilitate noua';
 $lang['edit_unavailable_title'] = 'Editeaza perioada de indisponibilitate';
 $lang['unavailable_saved'] = 'Perioada de indisponibilitate a fost salvata.';
 $lang['start_date_before_end_error'] = 'Data de început se afla dupa data de sfârsit.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Adresa de email este invalida.';
 $lang['customers'] = 'Clienti';
 $lang['details'] = 'Detalii';
diff --git a/application/language/russian/translations_lang.php b/application/language/russian/translations_lang.php
index 0c6b645f..888c482a 100755
--- a/application/language/russian/translations_lang.php
+++ b/application/language/russian/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Новый недоступный период
 $lang['edit_unavailable_title'] = 'Редактировать недоступный период';
 $lang['unavailable_saved'] = 'Недоступный период успешно сохранен.';
 $lang['start_date_before_end_error'] = 'Начальная дата больше чем конечная.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Недействительный e-mail адрес.';
 $lang['customers'] = 'Заказчики';
 $lang['details'] = 'Детали';
diff --git a/application/language/slovak/translations_lang.php b/application/language/slovak/translations_lang.php
index f3fe75e4..c90fe834 100755
--- a/application/language/slovak/translations_lang.php
+++ b/application/language/slovak/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Nové nedostupné obdobie';
 $lang['edit_unavailable_title'] = 'Upraviť nedostupné obdobie';
 $lang['unavailable_saved'] = 'Nedostupné obdobie úspešne uložené.';
 $lang['start_date_before_end_error'] = 'Dátum začatia je väčší ako dátum konca.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Neplatné emailová adresa.';
 $lang['customers'] = 'Zákazníci';
 $lang['details'] = 'Podrobnosti';
diff --git a/application/language/spanish/translations_lang.php b/application/language/spanish/translations_lang.php
index 0b611daf..13d4bc32 100755
--- a/application/language/spanish/translations_lang.php
+++ b/application/language/spanish/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Nuevo periodo No disponible';
 $lang['edit_unavailable_title'] = 'Editar periodo No disponible';
 $lang['unavailable_saved'] = 'Periodo No disponible guardado exitosamente';
 $lang['start_date_before_end_error'] = 'La fecha del inicio es posterior a la fecha del final';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Dirección de E-mail inválida';
 $lang['customers'] = 'Clientes';
 $lang['details'] = 'Detalles';
diff --git a/application/language/swedish/translations_lang.php b/application/language/swedish/translations_lang.php
index e8411695..c8eb139b 100644
--- a/application/language/swedish/translations_lang.php
+++ b/application/language/swedish/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Ny låst period';
 $lang['edit_unavailable_title'] = 'Ändra låst period';
 $lang['unavailable_saved'] = 'Låst period sparad.';
 $lang['start_date_before_end_error'] = 'Startdatum är efter slutdatum.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Ogiltig epostadress';
 $lang['customers'] = 'Kunder';
 $lang['details'] = 'Detaljer';
diff --git a/application/language/turkish/translations_lang.php b/application/language/turkish/translations_lang.php
index f0e1c31b..e83d7bc9 100755
--- a/application/language/turkish/translations_lang.php
+++ b/application/language/turkish/translations_lang.php
@@ -105,6 +105,7 @@ $lang['new_unavailable_title'] = 'Yeni Uygun Olmayan Zaman Aralığı';
 $lang['edit_unavailable_title'] = 'Uygun Olmayan Zaman Aralığı Düzenle';
 $lang['unavailable_saved'] = 'Uygun Olmayan Zaman Aralığı Başarıyla Kaydedildi.';
 $lang['start_date_before_end_error'] = 'Başlangıç tarihi bitiş tarihinden büyük olamaz.';
+$lang['invalid_duration'] = 'Invalid duration.';
 $lang['invalid_email'] = 'Hatalı eposta adresi.';
 $lang['customers'] = 'Müşteriler';
 $lang['details'] = 'Detaylar';
diff --git a/application/models/Services_model.php b/application/models/Services_model.php
index c56ccbd7..140f8504 100644
--- a/application/models/Services_model.php
+++ b/application/models/Services_model.php
@@ -97,6 +97,11 @@ class Services_model extends EA_Model {
             {
                 throw new Exception('Service duration is not numeric.');
             }
+
+            if ((int)$service['duration'] < EVENT_MINIMUM_DURATION)
+            {
+                throw new Exception('The service duration cannot be less than ' . EVENT_MINIMUM_DURATION . ' minutes.');
+            }
         }
 
         if ($service['price'] !== NULL)
diff --git a/application/views/backend/services.php b/application/views/backend/services.php
index 7aeca7fe..80dd48ed 100755
--- a/application/views/backend/services.php
+++ b/application/views/backend/services.php
@@ -116,7 +116,7 @@
                             <?= lang('duration_minutes') ?>
                             <span class="text-danger">*</span>
                         </label>
-                        <input id="service-duration" class="form-control required" type="number" min="15">
+                        <input id="service-duration" class="form-control required" type="number" min="5">
                     </div>
 
                     <div class="form-group">
diff --git a/assets/js/backend_services_helper.js b/assets/js/backend_services_helper.js
index c69ffafe..ebfd99d2 100644
--- a/assets/js/backend_services_helper.js
+++ b/assets/js/backend_services_helper.js
@@ -269,7 +269,7 @@
             .hide();
 
         try {
-            // validate required fields.
+            // Validate required fields.
             var missingRequired = false;
 
             $('#services .required').each(function (index, requiredField) {
@@ -283,6 +283,12 @@
                 throw new Error(EALang.fields_are_required);
             }
 
+            // Validate the duration.
+            if (Number($('#service-duration').val()) < 5) {
+                $('#service-duration').closest('.form-group').addClass('has-error');
+                throw new Error(EALang.invalid_duration);
+            }
+
             return true;
         } catch (error) {
             $('#services .form-message')