From abb054ab41bb84d1a6836d11a019de110f443000 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tondon=20C=C3=A9sar?= <pilou.tondon@hotmail.fr>
Date: Wed, 26 Feb 2020 11:39:51 +0100
Subject: [PATCH] =?UTF-8?q?ajout=20preparation=20prochaine=20s=C3=A9ance?=
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---
Seance2/relation.txt | 71 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 71 insertions(+)
create mode 100644 Seance2/relation.txt
diff --git a/Seance2/relation.txt b/Seance2/relation.txt
new file mode 100644
index 0000000..3b20083
--- /dev/null
+++ b/Seance2/relation.txt
@@ -0,0 +1,71 @@
+1)
+Categorie {
+ -id PK,
+ -nom,
+ -descr
+};
+
+Annonce {
+ -id PK,
+ -titre,
+ -date,
+ -texte
+};
+
+Photo {
+ -id PK,
+ -file,
+ -date,
+ -taille_octet,
+ -idPhoto # clef etrangère
+};
+
+Annonce_Categorie {
+ idCategorie,
+ idAnnonce
+}
+2)
+Dans le modèle Photo, il faut définir la méthode :
+public function annonce() {
+ return $this->belongsTo('modele\Annonce','id_annonce');
+}
+
+Dans le modèle Annonce,il faut définir les méthodes :
+public function photo() {
+ return $this->hasMany('modele\Photo','id_photo');
+}
+
+public function categorie() {
+ return $this->hasMany('modele\Categorie','id_categorie');
+}
+
+Dans le modèle Categorie, il faut définir la méthide :
+public function annonce() {
+ return $this->hasMany('modele\Annonce','id_annonce');
+}
+
+3)
+3.1)
+ $a = Annonce::find(22);
+ $photos = $a->photo()->get();
+3.2)
+ $a = Annonce::find(22);
+ $photos = $a->photo()
+ ->where('taille_octet','>','100000')
+ ->get();
+3.3)
+ $a = Annonce::where('count($photos = Annonce->with('photo')->get()','>','3');
+3.4)
+ $a = Annonce::$photos = Annonce->with('photo')->where('taille_octet','>','100000')->get();
+4)
+ $photo = new Photo();
+ $photo->date='26/02/2020';
+ $annonce22 = Annonce::find(22);
+ $annonce22->photo()->save($photo);
+5)
+ $photo = new Photo();
+ $photo->date='26/02/2020';
+ $annonce22 = Annonce::find(22);
+ $annonce22->photo()->save($photo);
+ $annonce22->categorie()->attach([42,73]);
+
--
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