Calendar system

Calendar system (PHP Language) Projects in Internet environments: Diagrams of cases of use, and ER diagram of the system [login to view URL] the technical report. Waiver of requirements:? - When creating a group, the person shall be automatically registered in it;? - The person join us in the system; - Only the administrator can change the content of a group and the registration of a person;? - User lists the existing groups. User enter in groups;? - User lists the groups to which it belongs. User groups of leaves;? - If all the people leave the group, it is automatically deleted;? - A compromise is not editable;? - A person can register a place? ? - Only the administrator can change the registration of a local? - When registering a compromise, the person (moderator) can select the participants individually or by group? - A person can list their commitments - There can be no conflict of date / time to schedule an appointment ## Deliverables The program can be created in any languages (PHP recomended). The source must be sended. [ [login to view URL]][1] <[login to view URL]>