diff --git a/Documents/Diagramme/DiagrammeDeClasses/README_DIAGRAMME.md b/Documents/Diagramme/DiagrammeDeClasses/README_DIAGRAMME.md
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index 00000000..6c463490
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@@ -0,0 +1,190 @@
+[retour au README.md](../../../README.md)  
+[Retour aux Documents](../../README_DOCUMENTS.md)  
+[Retour au diagramme de classes](../README_DIAGRAMMES.md)  
+
+## Diagramme de classe
+
+
+```plantuml
+@startuml
+class User {
+    - id: int
+    - username: String
+    - nom: string
+    - prenom: string
+    - email: string
+    - motDePasse: string
+    - sexe: string
+    - taille: float
+    - poids: float
+    - dateNaissance: \DateTime
+    - role: Role
+    - notifications: array
+    + getId(): int
+    + getUsername(): string
+    + setUsername(string $username): void
+    + setId(int $id): void
+    + getNom(): string
+    + setNom(string $nom): void
+    + getPrenom(): string
+    + setPrenom(string $prenom): void
+    + getEmail(): string
+    + setEmail(string $email): void
+    + getMotDePasse(): string
+    + setMotDePasse(string $motDePasse): void
+    + getSexe(): string
+    + setSexe(string $sexe): void
+    + getTaille(): float
+    + setTaille(float $taille): void
+    + getPoids(): float
+    + setPoids(float $poids): void
+    + getDateNaissance(): \DateTime
+    + setDateNaissance(\DateTime $dateNaissance): void
+    + getRole(): Role
+    + setRole(Role $role): void
+    + addNotification($notification): void
+    + deleteNotification($index): void
+    + isValidPassword(string $password): bool
+    + __toString(): string
+}
+abstract class Role {
+    - id: int
+    - usersList: array
+    - usersRequests: array
+    - trainingList: array
+    + getUsersList(): array
+    + getUsersRequests(): array
+    + addUsersRequests(RelationshipRequest $request): void
+    + removeRequest(RelationshipRequest $req): bool
+    + CheckAdd(User $user): bool
+    + addUser(User $user): bool
+    + removeUser(User $user): bool
+    + addTraining(Training $training): bool
+    + getTrainingsList(): array
+}
+class Coach extends Role {
+}
+class CoachAthlete extends Coach {
+    + CheckAdd(User $user): bool
+}
+class Athlete extends Role {
+    - statsList: array
+    - activityList: array
+    - dataSourcesList: array
+    + getActivities(): array
+    + addActivity(Activity $myActivity): bool
+    + CheckAdd(User $user): bool
+}
+class Activite {
+    - idActivity: int
+    - type: String
+    - date: \DateTime
+    - heureDebut: \DateTime
+    - heureFin: \DateTime
+    - effortRessenti: int
+    - variability: float
+    - variance: float
+    - standardDeviation: float
+    - average: int
+    - maximum: int
+    - minimum: int
+    - avrTemperature: float
+    - hasAutoPause: bool
+    + getIdActivity(): int
+    + getType(): String
+    + getDate(): \DateTime
+    + getHeureDebut(): \DateTime
+    + getHeureFin(): \DateTime
+    + getEffortRessenti(): int
+    + getVariability(): float
+    + getVariance(): float
+    + getStandardDeviation(): float
+    + getAverage(): float
+    + getMaximum(): int
+    + getMinimum(): int
+    + getAvrTemperature(): float
+    + setType(String $type): void
+    + setEffortRessenti(int $effortRessenti): void
+    + __toString(): String
+}
+class Notifications {
+    - type: string
+    - message: string
+    - toUserId: int
+    + getType(): string
+    + setType(string $type): void
+    + getMessage(): string
+    + setMessage(string $message): void
+    + getToUserId(): int
+    + setToUserId(int $toUserId): void
+    + __construct(int $toUserId,string $type, string $message)
+    + __toString(): string
+}
+class Entrainement {
+    - idTraining: int
+    - date: \DateTime
+    - latitude: float
+    - longitude: float
+    - description: String
+    - feedback: String
+    + getId(): int
+    + getDate(): \DateTime
+    + getLocation(): String
+    + getDescription(): String
+    + getFeedback(): String
+    + __toString(): String
+}
+class Statistique {
+    - idStat: int
+    - distanceTotale: float
+    - poids: float
+    - tempsTotal: time
+    - FCmoyenne: int
+    - FCmin: int
+    - FCmax: int
+    - cloriesBrulees: int
+    + getIdStat(): int
+    + getDistanceTotale(): float
+    + getPoids(): float
+    + getTempsTotal(): time
+    + getFCmoyenne(): int
+    + getFCmin(): int
+    + getFCmax(): int
+    + getCloriesBrulees(): int
+    + __toString(): String
+}
+class SourceDonnees {
+    - idSource: int
+    - nom: String
+    - type: String
+    - precision: enum
+    - dateDerniereUtilisation: \DateTime
+    + getIdSource(): int
+    + getNom(): String
+    + getType(): String
+    + getPrecision(): enum
+    + getDateDerniereUtilisation(): \DateTime
+    + __toString(): String
+}
+class RelationshipRequest {
+    - id: int
+    - fromUser: int
+    - toUser: int
+    - status: string
+    + getId(): int
+    + getFromUser(): int
+    + getToUser(): int
+    + getStatus(): string
+    + __toString(): string
+}
+class Observable {
+    - observers: array
+    + attachObserver(Observer $observer): void
+    + detachObserver(Observer $observer): void
+    + notifyObservers(): void
+}
+class Observer {
+    + update(Observable $observable): void
+}
+@enduml
+```
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diff --git a/Documents/Diagramme/README_DIAGRAMMES.md b/Documents/Diagramme/README_DIAGRAMMES.md
index 6c9a8746..ae7c906e 100644
--- a/Documents/Diagramme/README_DIAGRAMMES.md
+++ b/Documents/Diagramme/README_DIAGRAMMES.md
@@ -9,6 +9,7 @@
 - [issue023  - User Gateway ](DiagrammeDeClasses/README_issue023.md)
 - [issue028 - Importation de fichiers .fit](DiagrammeDeClasses/README_issue028.md)
 - [couche d'accès aux données](DiagrammeDeClasses/README_accesDonnees.md)
+- [Diagramme général](DiagrammeDeClasses/README_DIAGRAMME.md)
 
 ## Diagrammes de séquence
 - [Envoi de demande d'ami](DiagrammeDeSequence/README_demandeAmi.md)
diff --git a/Sources/src/data/model/Observable.php b/Sources/src/data/model/Observable.php
index a3aa3d0e..6cc478e6 100644
--- a/Sources/src/data/model/Observable.php
+++ b/Sources/src/data/model/Observable.php
@@ -21,4 +21,5 @@ abstract class Observable {
             $observer->update($this);
         }
     }
-}
\ No newline at end of file
+}
+?>
\ No newline at end of file
diff --git a/Sources/src/data/model/Observer.php b/Sources/src/data/model/Observer.php
index ca7c152d..0a6e6005 100644
--- a/Sources/src/data/model/Observer.php
+++ b/Sources/src/data/model/Observer.php
@@ -5,4 +5,5 @@ namespace Model;
 interface Observer
 {
     public function update(Observable $observable);
-}
\ No newline at end of file
+}
+?>
\ No newline at end of file