Use case diagram - StudylS
-'CourseEnrollment
Main	
Use Case ID	1
Brief Description	_C1 allows, student to be electronically enrolled in the course.
Primary Actors	Student
Secondary Atters	Lector
Preconditions	Student is logged in the system.
Main Flow of Events	1. UC is evoked, once Student selects "Course Ehrolknenf ri the menu. 2. INCLUDEfCourseSearch} 3. IF at least one course was found 3.1. FOR EACH (course found, which has not reached full capacity yet) 3.1.1. System displays actual number of enrolled students and offers "Enroll in the course" 3.2. IF Student selects ■Enroll in the course" 3.2.1. System enrolls Student in the course EXTENSION POINT{FullCspscityReached) 3.2.2. System confirms successful enrollment in the course and updates number of enrolled studerte in :he course.
Post-conditions	List of enrolled students in the course is updated.
Alternative Flows	Student may leave the page anytime by selecting "Back to the previous page" or by logging out of the system.
Notify	
	
Use Case ID	2
Brief Description	UC2 notices teacher about exceeded capacity of a course.
Primary Actors	Student
Secondary Actors	Lector
Precond ticms	1. UC was evoked through the extension point FullCapacityReached of CourseEnrollment use-case. 2. Actual number of enrolled students in a course is equal to the capacity o":f is course.
Main Flow of Events	1. System sends teacher an email informing hin about course capacity fulfillment.
Alternative Flows	-
Post-conditions	-
^CourseSearch	
Main	
Use Case ID	3
Brief Description	UC3 searches for courses based on given criteria.
Primary Actors	Teacher, Student
Secondary Actors	-
Precond ticms	Teacher or student is logged in the system.
Main Flow of Events	1. UC is evoked when actor (Teacher or Student) selects "Search". 2. System requests detailed search criteria from the actor. 3. Actor selects 3earcti criteria. 4. System searches for courses based on given criteria. 5. IF System finds some courses 5.1. System displays page containing 1D found courses at maximum 5.2. FOR EACH (found course) 5.2.1. System displays its name and reference link tor further inform atian. 5.3. IF there were more than ID courses found 5.3.1. Actor may move forward on the page and display next 10 courses. 5.4. IF Actor is not on the first page containing search results 5.4.1. Actor may move back on previous pages containing precious 1G courses 6. ELSE 6.1. System informs Actor that no courses were found.
Alternative Flows	Actor who evokes the course may log out of the system anytime.
Post-conditions	-
3 FulltimeCourseSearch
Main	
use Case ID	4
Brief Description	UC4 searches for ful 1 time cou rses based on given criteria
Primary Actors	Teacher, Student
Secondary Actors	-
Precsnd tioris	Teacher or Student is logged in the system.
Main Flow of Everts	1. UC is evoked when actor (Teacher or Student) selects "Search". 2. System requests detailed search criteria from the actor. 3. Actor selects search criteria 4. System searches for fuli time courses based on given criteria. 5. IF System finds some courses 5.1. System displays page containing 10 found courses at maximum 5.2. FOR EACH (found course) 5.2.1. System displays its name and reference link for further information. 5.3. IF there were more than ID courses found 5.3.1. Actor may move forward on the page and display next 10 courses. 5.4. IF Actor is not on the first page containing search results 5.4.1. Actor may move back on previous pages containing precious 10 courses 6. ELSE 6.1. System infomis Actor that no courses were found.
Alternative Flows	Actor who evokes the course may log out of the system anytime.
Post-conditions	-
DistanceStudyCourseSearch
Use Case ID
Brief Description
LIC5 searches for distance study courses based an given criteria.
Primary Actors
Teacher. Sludent
Secondary Actcrs.
Preconditions
Teacher or Student is logged in the system.
Main Flow of Events
1. UC is evoked when actor (Teacher or Student) selects "Search".
2. System requests detailed search criteria from the actor.
3. Actor selects search criteria.
4. System searches tor rtirsfstf rowses based on given criteria.
5. IF System fi nds some courses
5.1. System displays page contain ing 10 found courses at maximum
5.2. FOR EACH (found course)
5.2.1. System Displays its name and reference link for further information.
5.3. IF there were more than ID courses found
5.3.1. Actor may move forward on the page and display next 10 courses.
5.4. IF Actor is. not on the first page containing search results
5.4.1. Actor may move back on previous pages containing precious 1G courses
6. ELSE
6.1. System informs Actor Itiat no courses were found.
Alternative Flows
Actor who evokes the course may log out of the system anytime.
Post-conditions