From 7ca5d62cc9ef7a126ab33767024358c7d0a9b909 Mon Sep 17 00:00:00 2001
From: Hamed Masafi <hamed.masafi@gmail.com>
Date: Tue, 6 Dec 2022 10:25:43 +0330
Subject: [PATCH] Added dayOfWeek to date/datetime fields

---
 src/nut/generators/sqlitegenerator.cpp    | 4 ++++
 src/nut/generators/sqlservergenerator.cpp | 3 +++
 src/nut/phrases/fieldphrase_date.cpp      | 8 ++++++++
 src/nut/phrases/fieldphrase_date.h        | 4 ++++
 4 files changed, 19 insertions(+)

diff --git a/src/nut/generators/sqlitegenerator.cpp b/src/nut/generators/sqlitegenerator.cpp
index 2b34db5..015a952 100644
--- a/src/nut/generators/sqlitegenerator.cpp
+++ b/src/nut/generators/sqlitegenerator.cpp
@@ -287,6 +287,10 @@ QString SqliteGenerator::createConditionalPhrase(const PhraseData *d) const
             return QStringLiteral("CAST(strftime('%d', %1) AS INT)")
                     .arg(createConditionalPhrase(d->left));
 
+        case PhraseData::DatePartDayOfWeek:
+            return QStringLiteral("CAST(strftime('%w', %1) AS INT)")
+                    .arg(createConditionalPhrase(d->left));
+
         case PhraseData::DatePartHour:
             return QStringLiteral("CAST(strftime('%H', %1) AS INT)")
                     .arg(createConditionalPhrase(d->left));
diff --git a/src/nut/generators/sqlservergenerator.cpp b/src/nut/generators/sqlservergenerator.cpp
index 6dced57..97b2bca 100644
--- a/src/nut/generators/sqlservergenerator.cpp
+++ b/src/nut/generators/sqlservergenerator.cpp
@@ -266,6 +266,9 @@ QString SqlServerGenerator::createConditionalPhrase(const PhraseData *d) const
 
     if (d->type == PhraseData::WithoutOperand) {
         switch (op) {
+        case PhraseData::DatePartDayOfWeek:
+            return QStringLiteral("DATEPART(WEEKDAY, %1)")
+                    .arg(createConditionalPhrase(d->left));
         case PhraseData::DatePartYear:
         case PhraseData::DatePartMonth:
         case PhraseData::DatePartDay:
diff --git a/src/nut/phrases/fieldphrase_date.cpp b/src/nut/phrases/fieldphrase_date.cpp
index 40e541e..be0e148 100644
--- a/src/nut/phrases/fieldphrase_date.cpp
+++ b/src/nut/phrases/fieldphrase_date.cpp
@@ -52,6 +52,10 @@ ConditionalPhrase FieldPhrase<QDate>::day() {
     return ConditionalPhrase(this, PhraseData::DatePartDay);
 }
 
+ConditionalPhrase FieldPhrase<QDate>::dayOfWeek() {
+    return ConditionalPhrase(this, PhraseData::DatePartDayOfWeek);
+}
+
 FieldPhrase<QTime>::FieldPhrase(const char *className, const char *s) :
     AbstractFieldPhrase(className, s)
 {}
@@ -125,6 +129,10 @@ ConditionalPhrase FieldPhrase<QDateTime>::day() {
     return ConditionalPhrase(this, PhraseData::DatePartDay);
 }
 
+ConditionalPhrase FieldPhrase<QDateTime>::dayOfWeek() {
+    return ConditionalPhrase(this, PhraseData::DatePartDayOfWeek);
+}
+
 ConditionalPhrase FieldPhrase<QDateTime>::hour() {
     return ConditionalPhrase(this, PhraseData::DatePartHour);
 }
diff --git a/src/nut/phrases/fieldphrase_date.h b/src/nut/phrases/fieldphrase_date.h
index c596a93..2f4fd29 100644
--- a/src/nut/phrases/fieldphrase_date.h
+++ b/src/nut/phrases/fieldphrase_date.h
@@ -75,6 +75,8 @@ public:
     ConditionalPhrase year();
     ConditionalPhrase month();
     ConditionalPhrase day();
+
+    ConditionalPhrase dayOfWeek();
 };
 
 template<>
@@ -115,6 +117,8 @@ public:
     ConditionalPhrase month();
     ConditionalPhrase day();
 
+    ConditionalPhrase dayOfWeek();
+
     ConditionalPhrase hour();
     ConditionalPhrase minute();
     ConditionalPhrase second();